#289D5B#289D5B

#289D5B is a mid, vivid green. Relative luminance 0.253; OKLCH L 61.7% C 0.142 H 153.5°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#289D5B
RGB	rgb(40, 157, 91)
HSL	hsl(146, 59%, 39%)
HSV	hsv(146, 75%, 62%)
CMYK	cmyk(74.5%, 0%, 42%, 38.4%)
CIE-LAB	lab(57.38, -47.20, 25.58)
CIE-LCH	lch(57.38, 53.69, 151.55°)
OKLab	oklab(61.66% -0.1272 0.0635)
OKLCH	oklch(61.66% 0.142 153.5)
XYZ	xyz(14.8190, 25.3187, 14.0015)
Luminance	0.2532 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289D5B #9D286A

analogous

#2F9D28 #289D5B #289D95

triadic

#289D5B #5B289D #9D5B28

tetradic

#289D5B #282F9D #9D286A #9D9528

square

#289D5B #282F9D #9D286A #9D9528

split-complementary

#289D5B #95289D #9D282F

monochromatic

#0F3B22 #1C6C3F #289D5B #36CC78 #67D898

Accessibility & contrast

On white

3.46

#289D5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#289D5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289D5B

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289D5B	#FFFFFF	#000000	##000000
##289D5B	1.00	3.46	6.06	6.06
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D9056

Deuteranopia (green-blind)

#8F865F

Tritanopia (blue-blind)

#009B8D

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #289d5b;
/* rgb */ color: rgb(40, 157, 91);
/* oklch */ color: oklch(61.7% 0.142 153.5);

Tailwind

colors: {
  custom: {
    50: '#74bb8a',
    500: '#289d5b',
    950: '#000000',
  },
}

SCSS

$custom: #289d5b;
$custom-light: #74bb8a;
$custom-dark: #000000;

JSON

{
  "hex": "#289d5b",
  "rgb": {
    "r": 40,
    "g": 157,
    "b": 91
  },
  "hsl": {
    "h": 146.154,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.61656,
    "c": 0.14213,
    "h": 153.5
  },
  "luminance": 0.2532
}

Semantic roles & 50–950 ramp

primary

#289D5B

secondary

#BE6296

accent

#459EE3

background

#F7FBF8

surface

#EEF6F0

border

#C9D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #289D5B

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

Preview Lab → · Contrast checker → · Palette generator →