CSS named colour

Yellow Green

#9acd32

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

RGB: rgb(154 205 50)
HSL: 80°, 61%, 50%
OKLCh: 78.5% 0.184 126.6

Yellow Green in every format

Web & CSSThe everyday formats for stylesheets and design tools.

Hex	`#9acd32`
RGB	`rgb(154 205 50)`
RGB legacy	`rgb(154, 205, 50)`
RGB percent	`rgb(60.39% 80.39% 19.61%)`
HSL	`hsl(79.7 60.8% 50%)`
HSL legacy	`hsl(79.7, 60.8%, 50%)`
HSV / HSB	`hsv(79.7, 75.6%, 80.4%)`
HWB	`hwb(79.7 19.6% 19.6%)`
Nearest name	`yellowgreen`
CMYK	`cmyk(24.9%, 0%, 75.6%, 19.6%)`Naive conversion. Real print work needs an ICC profile.

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

OKLCh	`oklch(78.485% 0.18374 126.636)`Modern CSS colour space for even palettes — better than HSL when building scales.
OKLab	`oklab(78.485% -0.10964 0.14744)`
CIE LCh	`lch(76.769% 73.5 116.763)`
CIE Lab	`lab(76.769% -33.097 65.626)`
Display P3	`color(display-p3 0.6454 0.7983 0.3109)`
Rec. 2020	`color(rec2020 0.6328 0.7637 0.2682)`
srgb-linear	`color(srgb-linear 0.3231 0.6105 0.0319)`Light-linear sRGB — the same numbers a shader wants for maths.
CIE XYZ (D65)	`color(xyz-d65 0.3573 0.5076 0.1093)`

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

GLSL vec3 — sRGB	`vec3(0.604, 0.804, 0.196)`Encoded values. Use when writing straight to the framebuffer.
GLSL vec3 — linear	`vec3(0.323, 0.61, 0.032)`Light-linear values. Use for lighting, blending and mixing.
GLSL vec4 — sRGB	`vec4(0.604, 0.804, 0.196, 1.0)`
GLSL vec4 — linear	`vec4(0.323, 0.61, 0.032, 1.0)`
GLSL ivec3	`ivec3(154, 205, 50)`
HLSL float3 — sRGB	`float3(0.604, 0.804, 0.196)`
HLSL float3 — linear	`float3(0.323, 0.61, 0.032)`
HLSL float4 — sRGB	`float4(0.604, 0.804, 0.196, 1.0)`
HLSL half4 — sRGB	`half4(0.604, 0.804, 0.196, 1.0)`
WGSL vec3f — sRGB	`vec3f(0.604, 0.804, 0.196)`
WGSL vec4f — sRGB	`vec4f(0.604, 0.804, 0.196, 1.0)`
WGSL vec3<f32> — linear	`vec3<f32>(0.323, 0.61, 0.032)`

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

Unity Color	`new Color(0.604f, 0.804f, 0.196f, 1.0f)`Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255.
Unity Color32	`new Color32(154, 205, 50, 255)`
Unreal FLinearColor	`FLinearColor(0.3231f, 0.6105f, 0.0319f, 1.0f)`FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255.
Unreal FColor	`FColor(154, 205, 50, 255)`Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor.
Godot Color	`Color(0.604, 0.804, 0.196, 1)`
Flutter Color	`Color(0xFF9ACD32)`Packed ARGB, so alpha comes first.
Android Color	`Color.rgb(154, 205, 50)`
SwiftUI Color	`Color(red: 0.604, green: 0.804, blue: 0.196)`
UIKit UIColor	`UIColor(red: 0.604, green: 0.804, blue: 0.196, alpha: 1)`

Raw valuesPacked integers and plain arrays.

0x hex	`0x9ACD32`
0x hex (ARGB)	`0xFF9ACD32`
Array 0–1	`[0.604, 0.804, 0.196]`
Array 0–255	`[154, 205, 50]`
Decimal integer	`10145074`

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
Yellow Green on white	1.88:1	Fail	Lc 36	Non-text elements only
Yellow Green on black	11.15:1	AAA	Lc 67	Headings and large text

Yellow Green text on a white background

Yellow Green text on a black background

White text on Yellow Green

Black text on Yellow Green

Tonal scale

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

50#e3ffb0
100#d4ff93
200#c2ef7a
300#aad957
400#8cbc24
500#6e9d00
600#588100
700#456800
800#365200
900#294100
950#152500

Tints and shades

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

Tint 1#aad661
Tint 2#bbdf85
Tint 3#cce7a5
Tint 4#ddefc4
Tint 5#eef7e1
Shade 1#78a025
Shade 2#577619
Shade 3#394e0d
Shade 4#1d2904
Shade 5#050900

Colours that work with Yellow Green

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

#d599ff
#67c0ff
#ff8ba8
#dbb700
#1adb87

Closest CSS names

yellowgreenexact match
limegreenΔEok 0.085
darkkhakiΔEok 0.101
lightgreenΔEok 0.102
darkseagreenΔEok 0.116
mediumaquamarineΔEok 0.126