#BBAC33
Closest named color: Muddy Yellow (#BFAC05). oklch(73.6% 0.137 102.1), rgb(187, 172, 51).
Aa
Black text reads best on this color (9.06:1).
About this color
#BBAC33 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 74%, its chroma 0.137 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.017 away. Black text reads best on it, at 9.06:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.06:1 |
| White text | 2.31:1 |
Values
| HEX | #BBAC33 |
| RGB | rgb(187, 172, 51) |
| HSL | hsl(53, 57%, 47%) |
| OKLCH | oklch(73.6% 0.137 102.1) |
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 #BBAC33 | 2.31:1 | Fails | Lc -50.5 | Large or bold text, headings |
| Black text on #BBAC33 | 9.06:1 | AAA | Lc 58.4 | Large or bold text, headings |
| #BBAC33 text on white | 2.31:1 | Fails | Lc 45.6 | Large or bold text, headings |
| #BBAC33 text on black | 9.06:1 | AAA | Lc -56.5 | 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
#F7F6ED
oklch(97.1% 0.012 101.5)
-
Step 100
100
#EDEBD8
oklch(93.7% 0.025 102)
-
Step 200
200
#DFDBB7
oklch(88.5% 0.048 102.1)
-
Step 300
300
#CBC382
oklch(80.9% 0.085 102.1)
-
Step 400
400 (this color)
#BBAC33
oklch(73.6% 0.137 102.1)
-
Step 500
500
#9A8B00
oklch(63% 0.132 101.8)
-
Step 600
600
#817500
oklch(55.6% 0.117 102.3)
-
Step 700
700
#6D6200
oklch(49.1% 0.103 101.8)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4300
oklch(37.8% 0.079 102.7)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#BBAC33 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) | #BCA71E | 0.014 |
| Deuteranopia (no green cones) | #C0AD3B | 0.010 |
| Tritanopia (no blue cones) | #C9A094 | 0.124 |
| Achromatopsia (no color) | #AAAAAA | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BBAC33
#BBAC33
oklch(73.6% 0.137 102.1)
- #9D9EFD
#9D9EFD
oklch(73.7% 0.136 282.1)
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 #BBAC33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.017
- Olive Yellow #C2B709 ΔE 0.038
- Mustard #CEB301 ΔE 0.039
- Burnt Yellow #D5AB09 ΔE 0.039
- Ocre #C69C04 ΔE 0.041
- Yellow Ochre #CB9D06 ΔE 0.041
- Ocher #BF9B0C ΔE 0.042
- Mustard Green #A8B504 ΔE 0.045
Use #BBAC33 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.