#BBB33B
Closest named color: Muddy Yellow (#BFAC05). oklch(75.2% 0.138 105.5), rgb(187, 179, 59).
Aa
Black text reads best on this color (9.62:1).
About this color
#BBB33B is a medium-light, moderately saturated yellow. In OKLCH its lightness is 75%, its chroma 0.138 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.023 away. Black text reads best on it, at 9.62:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.62:1 |
| White text | 2.18:1 |
Values
| HEX | #BBB33B |
| RGB | rgb(187, 179, 59) |
| HSL | hsl(56, 52%, 48%) |
| OKLCH | oklch(75.2% 0.138 105.5) |
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 #BBB33B | 2.18:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #BBB33B | 9.62:1 | AAA | Lc 61.1 | Content text, not long reading |
| #BBB33B text on white | 2.18:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #BBB33B text on black | 9.62:1 | AAA | Lc -59.4 | 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
#ECEBD8
oklch(93.6% 0.025 104.4)
-
Step 200
200
#DDDCB7
oklch(88.6% 0.049 106.1)
-
Step 300
300
#C8C482
oklch(80.8% 0.086 105.2)
-
Step 400
400 (this color)
#BBB33B
oklch(75.2% 0.138 105.5)
-
Step 500
500
#958D00
oklch(63% 0.134 105.6)
-
Step 600
600
#7E7600
oklch(55.5% 0.118 104.9)
-
Step 700
700
#696300
oklch(49% 0.104 105.5)
-
Step 800
800
#565100
oklch(42.6% 0.091 105.5)
-
Step 900
900
#484400
oklch(37.8% 0.081 105.9)
-
Step 950
950
#2B2800
oklch(27.1% 0.058 105.3)
#BBB33B 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) | #C2AD29 | 0.017 |
| Deuteranopia (no green cones) | #C5B243 | 0.017 |
| Tritanopia (no blue cones) | #C9A79B | 0.126 |
| Achromatopsia (no color) | #AFAFAF | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBB33B
#BBB33B
oklch(75.2% 0.138 105.5)
- #A7A1FF
#A7A1FF
oklch(75.1% 0.134 285.6)
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 #BBB33B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.023
- Olive Yellow #C2B709 ΔE 0.026
- Mustard #CEB301 ΔE 0.032
- Light Olive Green #A4BE5C ΔE 0.040
- Mustard Green #A8B504 ΔE 0.040
- Burnt Yellow #D5AB09 ΔE 0.041
- Dark Yellow #D5B60A ΔE 0.042
- Dark Khaki #BDB76B ΔE 0.043
Use #BBB33B 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.