#289F55#289F55

#289F55 is a light, vivid green. Relative luminance 0.259; OKLCH L 62.1% C 0.150 H 151.3°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#289F55
RGB	rgb(40, 159, 85)
HSL	hsl(143, 60%, 39%)
HSV	hsv(143, 75%, 62%)
CMYK	cmyk(74.8%, 0%, 46.5%, 37.6%)
CIE-LAB	lab(57.94, -49.05, 29.50)
CIE-LCH	lch(57.94, 57.24, 148.98°)
OKLab	oklab(62.09% -0.132 0.0724)
OKLCH	oklch(62.09% 0.15 151.3)
XYZ	xyz(14.9116, 25.9015, 12.8062)
Luminance	0.2590 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#289F55 #9F2872

analogous

#379F28 #289F55 #289F91

triadic

#289F55 #55289F #9F5528

tetradic

#289F55 #28379F #9F2872 #9F9128

square

#289F55 #28379F #9F2872 #9F9128

split-complementary

#289F55 #91289F #9F2837

monochromatic

#0F3D21 #1C6E3B #289F55 #37CD70 #68D993

Accessibility & contrast

On white

3.40

#289F55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#289F55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #289F55

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##289F55	#FFFFFF	#000000	##000000
##289F55	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0914F

Deuteranopia (green-blind)

#92875A

Tritanopia (blue-blind)

#009C8D

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #289f55;
/* rgb */ color: rgb(40, 159, 85);
/* oklch */ color: oklch(62.1% 0.150 151.3);

Tailwind

colors: {
  custom: {
    50: '#74bc86',
    500: '#289f55',
    950: '#000000',
  },
}

SCSS

$custom: #289f55;
$custom-light: #74bc86;
$custom-dark: #000000;

JSON

{
  "hex": "#289f55",
  "rgb": {
    "r": 40,
    "g": 159,
    "b": 85
  },
  "hsl": {
    "h": 142.689,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.62087,
    "c": 0.15049,
    "h": 151.3
  },
  "luminance": 0.25903
}

Semantic roles & 50–950 ramp

primary

#289F55

secondary

#BF649D

accent

#45A7E3

background

#F7FBF8

surface

#EEF7EF

border

#C9D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #289F55

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

Preview Lab → · Contrast checker → · Palette generator →