#B2B221
Closest named color: Mustard Green (#A8B504). oklch(74% 0.153 109.6), rgb(178, 178, 33).
Aa
Black text reads best on this color (9.28:1).
About this color
#B2B221 is a medium-light, vivid yellow. In OKLCH its lightness is 74%, its chroma 0.153 and its hue 110°. 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 9.28:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.28:1 |
| White text | 2.26:1 |
Values
| HEX | #B2B221 |
| RGB | rgb(178, 178, 33) |
| HSL | hsl(60, 69%, 41%) |
| OKLCH | oklch(74% 0.153 109.6) |
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 #B2B221 | 2.26:1 | Fails | Lc -49.3 | Large or bold text, headings |
| Black text on #B2B221 | 9.28:1 | AAA | Lc 59.5 | Large or bold text, headings |
| #B2B221 text on white | 2.26:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #B2B221 text on black | 9.28:1 | AAA | Lc -57.7 | 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
#F6F6ED
oklch(97.1% 0.012 106.6)
-
Step 100
100
#EBECD7
oklch(93.7% 0.028 109.1)
-
Step 200
200
#DBDDB5
oklch(88.6% 0.053 109.8)
-
Step 300
300
#C4C67D
oklch(80.8% 0.095 109.7)
-
Step 400
400 (this color)
#B2B221
oklch(74% 0.153 109.6)
-
Step 500
500
#908F00
oklch(63% 0.137 109.3)
-
Step 600
600
#797800
oklch(55.5% 0.121 109.2)
-
Step 700
700
#656500
oklch(49.1% 0.107 109.8)
-
Step 800
800
#535300
oklch(42.8% 0.093 109.8)
-
Step 900
900
#454500
oklch(37.8% 0.082 109.8)
-
Step 950
950
#292800
oklch(26.9% 0.058 108.3)
#B2B221 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) | #C1AA00 | 0.027 |
| Deuteranopia (no green cones) | #C3AE2F | 0.030 |
| Tritanopia (no blue cones) | #BFA698 | 0.138 |
| Achromatopsia (no color) | #ACACAC | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2B221
#B2B221
oklch(74% 0.153 109.6)
- #AA9AFF
#AA9AFF
oklch(74.1% 0.144 289.7)
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 #B2B221, 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 0.022
- Olive Yellow #C2B709 ΔE 0.028
- Pea #A4BF20 ΔE 0.038
- Bright Olive #9CBB04 ΔE 0.041
- Mustard #CEB301 ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.044
- Avocado #90B134 ΔE 0.046
Use #B2B221 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.