CSS named colour

Light Sea Green

#20b2aa

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

RGB
rgb(32 178 170)
HSL
177°, 70%, 41%
OKLCh
69.1% 0.114 189.0

Open in the picker

Light Sea Green in every format

Web & CSSThe everyday formats for stylesheets and design tools.

Hex#20b2aa
RGBrgb(32 178 170)
RGB legacyrgb(32, 178, 170)
RGB percentrgb(12.55% 69.8% 66.67%)
HSLhsl(176.7 69.5% 41.2%)
HSL legacyhsl(176.7, 69.5%, 41.2%)
HSV / HSBhsv(176.7, 82%, 69.8%)
HWBhwb(176.7 12.5% 30.2%)
Nearest namelightseagreen
CMYKcmyk(82%, 0%, 4.5%, 30.2%)Naive conversion. Real print work needs an ICC profile.

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

OKLChoklch(69.12% 0.11421 188.962)Modern CSS colour space for even palettes — better than HSL when building scales.
OKLaboklab(69.12% -0.11282 -0.01779)
CIE LChlch(65.494% 39.442 190.103)
CIE Lablab(65.494% -38.83 -6.918)
Display P3color(display-p3 0.3335 0.6879 0.664)
Rec. 2020color(rec2020 0.3999 0.6407 0.6281)
srgb-linearcolor(srgb-linear 0.0144 0.4452 0.402)Light-linear sRGB — the same numbers a shader wants for maths.
CIE XYZ (D65)color(xyz-d65 0.2377 0.3505 0.4354)

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

GLSL vec3 — sRGBvec3(0.125, 0.698, 0.667)Encoded values. Use when writing straight to the framebuffer.
GLSL vec3 — linearvec3(0.014, 0.445, 0.402)Light-linear values. Use for lighting, blending and mixing.
GLSL vec4 — sRGBvec4(0.125, 0.698, 0.667, 1.0)
GLSL vec4 — linearvec4(0.014, 0.445, 0.402, 1.0)
GLSL ivec3ivec3(32, 178, 170)
HLSL float3 — sRGBfloat3(0.125, 0.698, 0.667)
HLSL float3 — linearfloat3(0.014, 0.445, 0.402)
HLSL float4 — sRGBfloat4(0.125, 0.698, 0.667, 1.0)
HLSL half4 — sRGBhalf4(0.125, 0.698, 0.667, 1.0)
WGSL vec3f — sRGBvec3f(0.125, 0.698, 0.667)
WGSL vec4f — sRGBvec4f(0.125, 0.698, 0.667, 1.0)
WGSL vec3<f32> — linearvec3<f32>(0.014, 0.445, 0.402)

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

Unity Colornew Color(0.125f, 0.698f, 0.667f, 1.0f)Color for everyday scripting (0–1). Color32 when you need whole numbers from 0 to 255.
Unity Color32new Color32(32, 178, 170, 255)
Unreal FLinearColorFLinearColor(0.0144f, 0.4452f, 0.402f, 1.0f)FLinearColor for materials and lighting. FColor when you need whole numbers from 0 to 255.
Unreal FColorFColor(32, 178, 170, 255)Whole numbers from 0 to 255 — use when an API asks for FColor, not FLinearColor.
Godot ColorColor(0.125, 0.698, 0.667, 1)
Flutter ColorColor(0xFF20B2AA)Packed ARGB, so alpha comes first.
Android ColorColor.rgb(32, 178, 170)
SwiftUI ColorColor(red: 0.125, green: 0.698, blue: 0.667)
UIKit UIColorUIColor(red: 0.125, green: 0.698, blue: 0.667, alpha: 1)

Raw valuesPacked integers and plain arrays.

0x hex0x20B2AA
0x hex (ARGB)0xFF20B2AA
Array 0–1[0.125, 0.698, 0.667]
Array 0–255[32, 178, 170]
Decimal integer2142890

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.

PairingWCAG 2 ratioLevelAPCASuitable for
Light Sea Green on white2.62:1FailLc 51Large headings only
Light Sea Green on black8.01:1AAALc 51Large headings only

Light Sea Green text on a white background

Light Sea Green text on a black background

White text on Light Sea Green

Black text on Light Sea Green

Tonal scale

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

  • 50#c4ffff
  • 100#a5fffa
  • 200#8df1e9
  • 300#6cdbd3
  • 400#40bfb7
  • 500#00a199
  • 600#00857f
  • 700#006c66
  • 800#005651
  • 900#004440
  • 950#002825

Tints and shades

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

  • Tint 1#5abfb8
  • Tint 2#80ccc6
  • Tint 3#a2d9d4
  • Tint 4#c2e6e2
  • Tint 5#e0f2f0
  • Shade 1#178b84
  • Shade 2#0e6661
  • Shade 3#06433f
  • Shade 4#022321
  • Shade 5#000706

Colours that work with Light Sea Green

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

  • #d87c8d
  • #b088d1
  • #c98e46
  • #54b182
  • #2daccb

Closest CSS names

  • lightseagreenexact match
  • cadetblueΔEok 0.061
  • mediumseagreenΔEok 0.081
  • darkturquoiseΔEok 0.084
  • mediumaquamarineΔEok 0.094
  • mediumturquoiseΔEok 0.096