#B3B002
Closest named color: Mustard Green (#A8B504). oklch(73.6% 0.159 108.5), rgb(179, 176, 2).
Aa
Black text reads best on this color (9.12:1).
About this color
#B3B002 is a medium-light, vivid yellow. In OKLCH its lightness is 74%, its chroma 0.159 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.020 away. Black text reads best on it, at 9.12:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.12:1 |
| White text | 2.30:1 |
Values
| HEX | #B3B002 |
| RGB | rgb(179, 176, 2) |
| HSL | hsl(59, 98%, 35%) |
| OKLCH | oklch(73.6% 0.159 108.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #B3B002 | 2.30:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #B3B002 | 9.12:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #B3B002 text on white | 2.30:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #B3B002 text on black | 9.12:1 | AAA | Lc -56.9 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F6F6EC
oklch(97% 0.013 106.6)
-
Step 100
100
#EBECD6
oklch(93.6% 0.029 109.1)
-
Step 200
200
#DCDDB3
oklch(88.6% 0.056 108.6)
-
Step 300
300
#C6C679
oklch(80.9% 0.099 108.4)
-
Step 400
400 (this color)
#B3B002
oklch(73.6% 0.159 108.5)
-
Step 500
500
#918F00
oklch(63.1% 0.137 108.8)
-
Step 600
600
#7A7800
oklch(55.6% 0.12 108.6)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#B3B002 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C0A800 | 0.027 |
| Deuteranopia (no green cones) | #C2AD1F | 0.027 |
| Tritanopia (no blue cones) | #C1A495 | 0.143 |
| Achromatopsia (no color) | #ABABAB | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3B002
#B3B002
oklch(73.6% 0.159 108.5)
- #A799FF
#A799FF
oklch(73.7% 0.145 288.6)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #B3B002, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.020
- Muddy Yellow #BFAC05 ΔE 0.020
- Olive Yellow #C2B709 ΔE 0.030
- Bright Olive #9CBB04 ΔE 0.041
- Pea #A4BF20 ΔE 0.041
- Mustard #CEB301 ΔE 0.042
- Avocado #90B134 ΔE 0.047
- Icky Green #8FAE22 ΔE 0.050
Use #B3B002 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.