#CEEF5B#CEEF5B

#CEEF5B is a very light, vivid yellow-green. Relative luminance 0.756; OKLCH L 90.0% C 0.175 H 120.7°. Best body text is #000000 at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#CEEF5B
RGB	rgb(206, 239, 91)
HSL	hsl(73, 82%, 65%)
HSV	hsv(73, 62%, 94%)
CMYK	cmyk(13.8%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(89.68, -30.90, 65.88)
CIE-LCH	lch(89.68, 72.77, 115.13°)
OKLab	oklab(90.04% -0.0896 0.1508)
OKLCH	oklch(90.04% 0.175 120.7)
XYZ	xyz(58.2092, 75.6103, 21.4232)
Luminance	0.7561 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CEEF5B #7C5BEF

analogous

#EFC65B #CEEF5B #84EF5B

triadic

#CEEF5B #5BCEEF #EF5BCE

tetradic

#CEEF5B #5BEFC6 #7C5BEF #EF5B84

square

#CEEF5B #5BEFC6 #7C5BEF #EF5B84

split-complementary

#CEEF5B #5B84EF #C65BEF

monochromatic

#97BD12 #BDEA23 #CEEF5B #DFF493 #EFFACB

Accessibility & contrast

On white

1.30

#CEEF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.12

#CEEF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CEEF5B

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CEEF5B	#FFFFFF	#000000	##000000
##CEEF5B	1.00	1.30	16.12	16.12
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.12	21.00	1.00	1.00
##000000	16.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE249

Deuteranopia (green-blind)

#F9E265

Tritanopia (blue-blind)

#D8E3D0

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ceef5b;
/* rgb */ color: rgb(206, 239, 91);
/* oklch */ color: oklch(90.0% 0.175 120.7);

Tailwind

colors: {
  custom: {
    50: '#e0f48f',
    500: '#ceef5b',
    950: '#000000',
  },
}

SCSS

$custom: #ceef5b;
$custom-light: #e0f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#ceef5b",
  "rgb": {
    "r": 206,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 73.378,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.9004,
    "c": 0.17537,
    "h": 120.7
  },
  "luminance": 0.7561
}

Semantic roles & 50–950 ramp

primary

#CEEF5B

secondary

#5133BC

accent

#07DF37

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16170D

muted

#84857F

Preview Lab

Preview with #CEEF5B

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

Preview Lab → · Contrast checker → · Palette generator →