#289E57#289E57

#289E57 is a mid, vivid green. Relative luminance 0.256; OKLCH L 61.9% C 0.147 H 152.0°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#289E57
RGB	rgb(40, 158, 87)
HSL	hsl(144, 60%, 39%)
HSV	hsv(144, 75%, 62%)
CMYK	cmyk(74.7%, 0%, 44.9%, 38%)
CIE-LAB	lab(57.65, -48.32, 28.06)
CIE-LCH	lch(57.65, 55.88, 149.86°)
OKLab	oklab(61.85% -0.13 0.0691)
OKLCH	oklch(61.85% 0.147 152)
XYZ	xyz(14.8209, 25.5912, 13.1735)
Luminance	0.2559 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289E57 #9E286F

analogous

#349E28 #289E57 #289E92

triadic

#289E57 #57289E #9E5728

tetradic

#289E57 #28349E #9E286F #9E9228

square

#289E57 #28349E #9E286F #9E9228

split-complementary

#289E57 #92289E #9E2834

monochromatic

#0F3C21 #1C6D3C #289E57 #37CC72 #68D995

Accessibility & contrast

On white

3.43

#289E57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#289E57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289E57

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289E57	#FFFFFF	#000000	##000000
##289E57	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E9052

Deuteranopia (green-blind)

#90875C

Tritanopia (blue-blind)

#009C8D

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289e57;
/* rgb */ color: rgb(40, 158, 87);
/* oklch */ color: oklch(61.9% 0.147 152.0);

Tailwind

colors: {
  custom: {
    50: '#74bc87',
    500: '#289e57',
    950: '#000000',
  },
}

SCSS

$custom: #289e57;
$custom-light: #74bc87;
$custom-dark: #000000;

JSON

{
  "hex": "#289e57",
  "rgb": {
    "r": 40,
    "g": 158,
    "b": 87
  },
  "hsl": {
    "h": 143.898,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.61852,
    "c": 0.14727,
    "h": 152
  },
  "luminance": 0.25593
}

Semantic roles & 50–950 ramp

primary

#289E57

secondary

#BF639A

accent

#45A4E3

background

#F7FBF8

surface

#EEF6EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289E57

Body copy rendered with the generated semantic roles for this colour.

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