CSS named colour

Medium Sea Green

#3cb371

A CSS named colour: mediumseagreen is valid anywhere a colour is expected.

RGB: rgb(60 179 113)
HSL: 147°, 50%, 47%
OKLCh: 68.4% 0.144 155.0

Medium Sea Green in every format

Web & CSSThe everyday formats for stylesheets and design tools.

Hex	`#3cb371`
RGB	`rgb(60 179 113)`
RGB legacy	`rgb(60, 179, 113)`
RGB percent	`rgb(23.53% 70.2% 44.31%)`
HSL	`hsl(146.7 49.8% 46.9%)`
HSL legacy	`hsl(146.7, 49.8%, 46.9%)`
HSV / HSB	`hsv(146.7, 66.5%, 70.2%)`
HWB	`hwb(146.7 23.5% 29.8%)`
Nearest name	`mediumseagreen`
CMYK	`cmyk(66.5%, 0%, 36.9%, 29.8%)`Naive conversion. Real print work needs an ICC profile.

Perceptual & wide gamutModern CSS colour spaces for uniform scales and P3 displays.

OKLCh	`oklch(68.404% 0.14402 154.999)`Modern CSS colour space for even palettes — better than HSL when building scales.
OKLab	`oklab(68.404% -0.13052 0.06087)`
CIE LCh	`lch(65.218% 51.729 152.715)`
CIE Lab	`lab(65.218% -45.974 23.713)`
Display P3	`color(display-p3 0.3768 0.6925 0.4658)`
Rec. 2020	`color(rec2020 0.4138 0.6443 0.4193)`
srgb-linear	`color(srgb-linear 0.0452 0.4508 0.1651)`Light-linear sRGB — the same numbers a shader wants for maths.
CIE XYZ (D65)	`color(xyz-d65 0.2096 0.3439 0.2116)`

ShadersGLSL, HLSL and WGSL vectors in both encoded and linear form.

GLSL vec3 — sRGB	`vec3(0.235, 0.702, 0.443)`Encoded values. Use when writing straight to the framebuffer.
GLSL vec3 — linear	`vec3(0.045, 0.451, 0.165)`Light-linear values. Use for lighting, blending and mixing.
GLSL vec4 — sRGB	`vec4(0.235, 0.702, 0.443, 1.0)`
GLSL vec4 — linear	`vec4(0.045, 0.451, 0.165, 1.0)`
GLSL ivec3	`ivec3(60, 179, 113)`
HLSL float3 — sRGB	`float3(0.235, 0.702, 0.443)`
HLSL float3 — linear	`float3(0.045, 0.451, 0.165)`
HLSL float4 — sRGB	`float4(0.235, 0.702, 0.443, 1.0)`
HLSL half4 — sRGB	`half4(0.235, 0.702, 0.443, 1.0)`
WGSL vec3f — sRGB	`vec3f(0.235, 0.702, 0.443)`
WGSL vec4f — sRGB	`vec4f(0.235, 0.702, 0.443, 1.0)`
WGSL vec3<f32> — linear	`vec3<f32>(0.045, 0.451, 0.165)`

Engines & appsConstructors for Unity, Unreal, Godot, Flutter, SwiftUI and Android.

Unity Color	`new Color(0.235f, 0.702f, 0.443f, 1.0f)`Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255.
Unity Color32	`new Color32(60, 179, 113, 255)`
Unreal FLinearColor	`FLinearColor(0.0452f, 0.4508f, 0.1651f, 1.0f)`FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255.
Unreal FColor	`FColor(60, 179, 113, 255)`Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor.
Godot Color	`Color(0.235, 0.702, 0.443, 1)`
Flutter Color	`Color(0xFF3CB371)`Packed ARGB, so alpha comes first.
Android Color	`Color.rgb(60, 179, 113)`
SwiftUI Color	`Color(red: 0.235, green: 0.702, blue: 0.443)`
UIKit UIColor	`UIColor(red: 0.235, green: 0.702, blue: 0.443, alpha: 1)`

Raw valuesPacked integers and plain arrays.

0x hex	`0x3CB371`
0x hex (ARGB)	`0xFF3CB371`
Array 0–1	`[0.235, 0.702, 0.443]`
Array 0–255	`[60, 179, 113]`
Decimal integer	`3978097`

Contrast and accessibility

WCAG 2 ratios are what audits and legislation reference. APCA is shown alongside because WCAG 2 is known to misjudge mid-tone backgrounds, and it is the basis of the WCAG 3 draft.

Pairing	WCAG 2 ratio	Level	APCA	Suitable for
Medium Sea Green on white	2.67:1	Fail	Lc 51	Large headings only
Medium Sea Green on black	7.88:1	AAA	Lc 50	Large headings only

Medium Sea Green text on a white background

Medium Sea Green text on a black background

White text on Medium Sea Green

Black text on Medium Sea Green

Tonal scale

Hue held fixed while lightness walks OKLCh, ready to use as a design system ramp.

50#d2ffe3
100#afffcd
200#99f4b9
300#7bdfa0
400#54c382
500#28a463
600#00884b
700#006f37
800#005a27
900#00471b
950#002a0a

Tints and shades

Mixed perceptually toward white and black, so the steps feel evenly spaced.

Tint 1#65c088
Tint 2#87cd9f
Tint 3#a6dab7
Tint 4#c4e6cf
Tint 5#e2f3e7
Shade 1#2d8c57
Shade 2#1f663e
Shade 3#114327
Shade 4#062312
Shade 5#010703

Colours that work with Medium Sea Green

Complementary, triadic and analogous partners, rotated in OKLCh so they keep the same apparent brightness.

#cf75bd
#8090f1
#e4755a
#85a838
#00b4a5

Closest CSS names

mediumseagreenexact match
lightseagreenΔEok 0.081
darkseagreenΔEok 0.095
mediumaquamarineΔEok 0.103
limegreenΔEok 0.109
cadetblueΔEok 0.110