#B2BB1B
Closest named color: Pea (#A4BF20). oklch(76% 0.164 113.2), rgb(178, 187, 27).
Aa
Black text reads best on this color (10.01:1).
About this color
#B2BB1B is a medium-light, vivid yellow. In OKLCH its lightness is 76%, its chroma 0.164 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea (#A4BF20), ΔE 0.020 away. Black text reads best on it, at 10.01:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Pea (#A4BF20) |
| Black text | 10.01:1 |
| White text | 2.09:1 |
Values
| HEX | #B2BB1B |
| RGB | rgb(178, 187, 27) |
| HSL | hsl(63, 75%, 42%) |
| OKLCH | oklch(76% 0.164 113.2) |
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 #B2BB1B | 2.09:1 | Fails | Lc -45.5 | Large or bold text, headings |
| Black text on #B2BB1B | 10.01:1 | AAA | Lc 63.1 | Content text, not long reading |
| #B2BB1B text on white | 2.09:1 | Fails | Lc 40.9 | Non-text elements, placeholder text |
| #B2BB1B text on black | 10.01:1 | AAA | Lc -61.4 | Content text, not long reading |
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 300.
-
Step 50
50
#F5F7E7
oklch(97% 0.021 112.6)
-
Step 100
100
#E9EECA
oklch(93.6% 0.048 113.7)
-
Step 200
200
#D9E09A
oklch(88.5% 0.091 112.9)
-
Step 300
300 (this color)
#B2BB1B
oklch(76% 0.164 113.2)
-
Step 400
400
#A2AA00
oklch(70.8% 0.158 113.1)
-
Step 500
500
#8A9200
oklch(63.2% 0.142 113.6)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#4F5400
oklch(42.7% 0.096 113.7)
-
Step 900
900
#424600
oklch(37.8% 0.084 113.4)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#B2BB1B 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) | #CAB200 | 0.039 |
| Deuteranopia (no green cones) | #CAB52D | 0.041 |
| Tritanopia (no blue cones) | #BFAF9F | 0.145 |
| Achromatopsia (no color) | #B3B3B3 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2BB1B
#B2BB1B
oklch(76% 0.164 113.2)
- #B59FFF
#B59FFF
oklch(75.9% 0.136 293.4)
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 #B2BB1B, closest first.
No curated palette has a color within ΔE 0.04 of #B2BB1B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea #A4BF20 ΔE 0.020
- Mustard Green #A8B504 ΔE 0.023
- Olive Yellow #C2B709 ΔE 0.023
- Bright Olive #9CBB04 ΔE 0.032
- Muddy Yellow #BFAC05 ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.042
- Mustard #CEB301 ΔE 0.043
- Mustard Yellow #D2BD0A ΔE 0.047
Use #B2BB1B 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.