#258C55#258C55

#258C55 is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.126 H 155.0°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#258C55
RGB	rgb(37, 140, 85)
HSL	hsl(148, 58%, 35%)
HSV	hsv(148, 74%, 55%)
CMYK	cmyk(73.6%, 0%, 39.3%, 45.1%)
CIE-LAB	lab(51.61, -42.16, 21.24)
CIE-LCH	lch(51.61, 47.20, 153.26°)
OKLab	oklab(56.85% -0.1138 0.0531)
OKLCH	oklch(56.85% 0.126 155)
XYZ	xyz(11.7796, 19.8040, 11.7943)
Luminance	0.1981 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C55 #8C255C

analogous

#298C25 #258C55 #258C89

triadic

#258C55 #55258C #8C5525

tetradic

#258C55 #25298C #8C255C #8C8925

square

#258C55 #25298C #8C255C #8C8925

split-complementary

#258C55 #89258C #8C2529

monochromatic

#0B2B1A #185C38 #258C55 #32BC72 #58D392

Accessibility & contrast

On white

4.23

#258C55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#258C55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C55

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C55	#FFFFFF	#000000	##000000
##258C55	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8051

Deuteranopia (green-blind)

#7F7759

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #258c55;
/* rgb */ color: rgb(37, 140, 85);
/* oklch */ color: oklch(56.8% 0.126 155.0);

Tailwind

colors: {
  custom: {
    50: '#6fae85',
    500: '#258c55',
    950: '#000000',
  },
}

SCSS

$custom: #258c55;
$custom-light: #6fae85;
$custom-dark: #000000;

JSON

{
  "hex": "#258c55",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 85
  },
  "hsl": {
    "h": 147.961,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.56846,
    "c": 0.1256,
    "h": 155
  },
  "luminance": 0.19805
}

Semantic roles & 50–950 ramp

primary

#258C55

secondary

#B8558A

accent

#4699E1

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #258C55

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

Preview Lab → · Contrast checker → · Palette generator →