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Color reference#EBFBEEOpen Color Green 0

Color reference

Open Color Green 0

RGB
rgb(235 251 238)
HSL
hsl(131 67% 95%)
HWB
hwb(131 92% 2%)
Color family
Green
Recommended foreground
#000000

Calculated profile

What the numbers say

At 131° hue, Open Color Green 0 is a moderately saturated, very light, cool-hue sRGB color. Its relative luminance is 92.83%. For text on this background, #000000 produces the stronger contrast at 19.57:1.

HSL lightness
95%
HSL saturation
67%
Relative luminance
92.83%
Hue group
cool-hue

02

Copy-ready color formats

Equivalent sRGB notations calculated from the same six-digit HEX value.

03

Text contrast against this color

Ratios use WCAG relative luminance. Passing a ratio does not by itself certify an interface.

White text1.07:1

Aa

AA normal text
Fail
AA large text
Fail
AAA normal text
Fail
AAA large text
Fail
Black text19.57:1

Aa

AA normal text
Pass
AA large text
Pass
AAA normal text
Pass
AAA large text
Pass

04

Calculated tints and shades

Tints mix the color with white; shades mix it with black in sRGB.

Tints

Shades

05

Hue-wheel relationships

These colors keep the original HSL saturation and lightness while rotating hue. They are mathematical starting points, not automatic design recommendations.

06

Opacity variants

Eight-digit HEX and modern rgb() alpha syntax for the same opacity.

20%
40%
60%
80%

07

CSS starter

A small custom-property block using the calculated foreground with the stronger black-or-white contrast.

--color-open-color-green-0: #EBFBEE;
--color-open-color-green-0-rgb: 235 251 238;
--color-open-color-green-0-hsl: 131 67% 95%;
color: #000000;
background-color: var(--color-open-color-green-0);

Community review

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08 / Verification

Where the values come from

The color name and HEX value are checked against the cited standard. RGB, HSL, HWB, luminance, and contrast are then calculated from that HEX value using published formulas.

Source for the name and HEX: Open Color UI palette

A practical reference for digital color.

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