#B2BB09
Closest named color: Pea (#A4BF20). oklch(75.9% 0.168 113.2), rgb(178, 187, 9).
Aa
Black text reads best on this color (10.00:1).
About this color
#B2BB09 is a medium-light, vivid yellow. In OKLCH its lightness is 76%, its chroma 0.168 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea (#A4BF20), ΔE 0.019 away. Black text reads best on it, at 10.00:1.
| Hue family | Yellows |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Pea (#A4BF20) |
| Black text | 10.00:1 |
| White text | 2.09:1 |
Values
| HEX | #B2BB09 |
| RGB | rgb(178, 187, 9) |
| HSL | hsl(63, 91%, 38%) |
| OKLCH | oklch(75.9% 0.168 113.2) |
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 #B2BB09 | 2.09:1 | Fails | Lc -45.5 | Large or bold text, headings |
| Black text on #B2BB09 | 10.00:1 | AAA | Lc 63.1 | Content text, not long reading |
| #B2BB09 text on white | 2.09:1 | Fails | Lc 40.9 | Non-text elements, placeholder text |
| #B2BB09 text on black | 10.00:1 | 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
#F5F7E6
oklch(97% 0.022 112.3)
-
Step 100
100
#E9EEC9
oklch(93.6% 0.049 113.6)
-
Step 200
200
#D9E098
oklch(88.5% 0.093 112.8)
-
Step 300
300 (this color)
#B2BB09
oklch(75.9% 0.168 113.2)
-
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
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#424600
oklch(37.8% 0.084 113.4)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#B2BB09 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) | #CAB100 | 0.042 |
| Deuteranopia (no green cones) | #CAB425 | 0.042 |
| Tritanopia (no blue cones) | #BFAF9F | 0.149 |
| Achromatopsia (no color) | #B3B3B3 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2BB09
#B2BB09
oklch(75.9% 0.168 113.2)
- #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 #B2BB09, closest first.
No curated palette has a color within ΔE 0.04 of #B2BB09.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea #A4BF20 ΔE 0.019
- Mustard Green #A8B504 ΔE 0.022
- Olive Yellow #C2B709 ΔE 0.025
- Bright Olive #9CBB04 ΔE 0.030
- Muddy Yellow #BFAC05 ΔE 0.042
- Mustard #CEB301 ΔE 0.044
- Light Olive Green #A4BE5C ΔE 0.045
- Mustard Yellow #D2BD0A ΔE 0.048
Use #B2BB09 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.