CSS named colour

Aquamarine

#7fffd4

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

RGB: rgb(127 255 212)
HSL: 160°, 100%, 75%
OKLCh: 91.5% 0.130 169.0

Aquamarine in every format

Web & CSSThe everyday formats for stylesheets and design tools.

Hex	`#7fffd4`
RGB	`rgb(127 255 212)`
RGB legacy	`rgb(127, 255, 212)`
RGB percent	`rgb(49.8% 100% 83.14%)`
HSL	`hsl(159.8 100% 74.9%)`
HSL legacy	`hsl(159.8, 100%, 74.9%)`
HSV / HSB	`hsv(159.8, 50.2%, 100%)`
HWB	`hwb(159.8 49.8% 0%)`
Nearest name	`aquamarine`
CMYK	`cmyk(50.2%, 0%, 16.9%, 0%)`Naive conversion. Real print work needs an ICC profile.

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

OKLCh	`oklch(91.499% 0.13039 168.992)`Modern CSS colour space for even palettes — better than HSL when building scales.
OKLab	`oklab(91.499% -0.12799 0.0249)`
CIE LCh	`lch(91.865% 45.772 168.464)`
CIE Lab	`lab(91.865% -44.848 9.154)`
Display P3	`color(display-p3 0.6279 0.9884 0.8409)`
Rec. 2020	`color(rec2020 0.6989 0.9707 0.8255)`
srgb-linear	`color(srgb-linear 0.2122 1 0.6584)`Light-linear sRGB — the same numbers a shader wants for maths.
CIE XYZ (D65)	`color(xyz-d65 0.5639 0.8078 0.7491)`

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

GLSL vec3 — sRGB	`vec3(0.498, 1.0, 0.831)`Encoded values. Use when writing straight to the framebuffer.
GLSL vec3 — linear	`vec3(0.212, 1.0, 0.658)`Light-linear values. Use for lighting, blending and mixing.
GLSL vec4 — sRGB	`vec4(0.498, 1.0, 0.831, 1.0)`
GLSL vec4 — linear	`vec4(0.212, 1.0, 0.658, 1.0)`
GLSL ivec3	`ivec3(127, 255, 212)`
HLSL float3 — sRGB	`float3(0.498, 1.0, 0.831)`
HLSL float3 — linear	`float3(0.212, 1.0, 0.658)`
HLSL float4 — sRGB	`float4(0.498, 1.0, 0.831, 1.0)`
HLSL half4 — sRGB	`half4(0.498, 1.0, 0.831, 1.0)`
WGSL vec3f — sRGB	`vec3f(0.498, 1.0, 0.831)`
WGSL vec4f — sRGB	`vec4f(0.498, 1.0, 0.831, 1.0)`
WGSL vec3<f32> — linear	`vec3<f32>(0.212, 1.0, 0.658)`

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

Unity Color	`new Color(0.498f, 1.0f, 0.831f, 1.0f)`Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255.
Unity Color32	`new Color32(127, 255, 212, 255)`
Unreal FLinearColor	`FLinearColor(0.2122f, 1.0f, 0.6584f, 1.0f)`FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255.
Unreal FColor	`FColor(127, 255, 212, 255)`Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor.
Godot Color	`Color(0.498, 1, 0.831, 1)`
Flutter Color	`Color(0xFF7FFFD4)`Packed ARGB, so alpha comes first.
Android Color	`Color.rgb(127, 255, 212)`
SwiftUI Color	`Color(red: 0.498, green: 1, blue: 0.831)`
UIKit UIColor	`UIColor(red: 0.498, green: 1, blue: 0.831, alpha: 1)`

Raw valuesPacked integers and plain arrays.

0x hex	`0x7FFFD4`
0x hex (ARGB)	`0xFF7FFFD4`
Array 0–1	`[0.498, 1, 0.831]`
Array 0–255	`[127, 255, 212]`
Decimal integer	`8388564`

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
Aquamarine on white	1.22:1	Fail	Lc 11	Not usable for text
Aquamarine on black	17.16:1	AAA	Lc 93	Body text at any size

Aquamarine text on a white background

Aquamarine text on a black background

White text on Aquamarine

Black text on Aquamarine

Tonal scale

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

50#cdfff0
100#a6ffe2
200#8ef4d0
300#6edeb9
400#42c29c
500#00a47d
600#008865
700#006f4f
800#00583e
900#004630
950#002919

Tints and shades

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

Tint 1#9affdb
Tint 2#b1ffe2
Tint 3#c7ffe9
Tint 4#dafff1
Tint 5#edfff8
Shade 1#62c8a6
Shade 2#47947a
Shade 3#2d6351
Shade 4#16362b
Shade 5#030f0a

Colours that work with Aquamarine

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

#ffceeb
#e1ddff
#ffd5b9
#b6f8a3
#60fdff

Closest CSS names

aquamarineexact match
cyanΔEok 0.068
palegreenΔEok 0.071
paleturquoiseΔEok 0.080
lightgreenΔEok 0.081
mediumspringgreenΔEok 0.097