yellowwarmCC0 survey name

Green Yellow #B5CE08

Green Yellow is a mid-tone, vivid warm color (#B5CE08; HSL 68° 93% 42%). Name from the public-domain xkcd color survey (CC0), where it was contributed as “green yellow”.

Use cases: Highlights · Warm accents

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Families: Yellows · Olive Colors · Lime Colors

Color values

FormatValue
HEX#B5CE08
RGBrgb(181, 206, 8)
HSLhsl(68, 93%, 42%)
HSVhsv(68, 96%, 81%)
OKLCHoklch(80.45% 0.186 118.2)
OKLaboklab(80.45% -0.0881 0.1643)
CMYKcmyk(12.1%, 0%, 96.1%, 19.2%)
XYZxyz(41.1723, 53.9843, 8.4807)
CIE-LABlab(78.5, -28.8, 77.4)
CIE-LCHlch(78.5, 82.6, 110.4°)
Luminance0.540 (WCAG relative)
/* Green Yellow */ --green-yellow: #b5ce08; color: #b5ce08; background-color: #b5ce08;

Source: xkcd color survey name (public domain, CC0).

Collections: Vibrant Colors · Olive Green Colors · Jewel Tone Colors

Shade scale

Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →

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950

OKLCH ramp (perceptually uniform, modern CSS)

50
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950

Shades (toward black)

#a2b711 #8ea115 #7c8b17 #6a7618 #586217 #474e16 #363b14 #262910 #18180a #000000

Tints (toward white)

#bed337 #c7d852 #d0dc6a #d8e180 #e0e695 #e7ebaa #eef0c0 #f4f5d5 #fafaea #ffffff

Tones (toward gray)

#b8cd30 #bbcc46 #bdca59 #bfc969 #c1c879 #c2c788 #c3c697 #c3c4a5 #c3c3b4 #c2c2c2

Color harmonies

Complementary

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#B5CE08
#2108CE
#b5ce08 #2108ce

Analogous

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#CE8408
#B5CE08
#52CE08
#ce8408 #b5ce08 #52ce08

Triadic

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#B5CE08
#08B5CE
#CE08B5
#b5ce08 #08b5ce #ce08b5

Tetradic

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#B5CE08
#08CE84
#2108CE
#CE0852
#b5ce08 #08ce84 #2108ce #ce0852

Square

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#B5CE08
#08CE84
#2108CE
#CE0852
#b5ce08 #08ce84 #2108ce #ce0852

Split Complementary

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#B5CE08
#0852CE
#8408CE
#b5ce08 #0852ce #8408ce

Monochromatic

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#4D5803
#819306
#B5CE08
#DBF61D
#E4F958
#4d5803 #819306 #b5ce08 #dbf61d #e4f958

Accessibility & contrast

1.78
#B5CE08 on #FFFFFF
AA text ✗AA large ✗AAA text ✗UI 3:1 ✗
11.80
#B5CE08 on #000000
AA text ✓AA large ✓AAA text ✓UI 3:1 ✓

Best text on green yellow

11.80
#000000 text

WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1. Open the contrast checker →

Color blindness preview

Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.

Normal vision
Protanopia (red-blind)
#DDC200
Deuteranopia (green-blind)
#DAC32A
Tritanopia (blue-blind)
#C1C2AF

Closest named colors

Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀) across the full color database.

ColorNameΔE₀₀
Pea #A4BF204.50
Slime Green #99CC045.04
Bright Olive #9CBB045.59
Yellowgreen #9ACD326.21
Mustard Green #A8B5046.48
Dirty Yellow #CDC50A7.22

Colors that go with green yellow

Top matches by hue harmony, contrast and saturation compatibility.

Beige #F5F5DC
1.6:1
Same hue family as green yellow (Δh 8°) — guaranteed harmony
Rust #B7410E
3.1:1
Warm/cool bridge (Δh 49°) — adds depth without tension
Purple #800080
5.3:1
Triadic harmony (Δh ≈128°) — balanced three-way contrast
Indigo #4B0082
7.3:1
Split-complementary angle (Δh ≈153°) — strong but softer than direct complement
Indigo Blue #3A18B1
6.1:1
Complementary hue (Δh ≈174°) — maximum hue contrast

Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.