#B3A403
Closest named color: Muddy Yellow (#BFAC05). oklch(70.9% 0.149 102.9), rgb(179, 164, 3).
Aa
Black text reads best on this color (8.22:1).
About this color
#B3A403 is a medium-light, vivid yellow. In OKLCH its lightness is 71%, its chroma 0.149 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.029 away. Black text reads best on it, at 8.22:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.22:1 |
| White text | 2.55:1 |
Values
| HEX | #B3A403 |
| RGB | rgb(179, 164, 3) |
| HSL | hsl(55, 97%, 36%) |
| OKLCH | oklch(70.9% 0.149 102.9) |
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 #B3A403 | 2.55:1 | Fails | Lc -54.9 | Large or bold text, headings |
| Black text on #B3A403 | 8.22:1 | AAA | Lc 54.2 | Large or bold text, headings |
| #B3A403 text on white | 2.55:1 | Fails | Lc 49.8 | Large or bold text, headings |
| #B3A403 text on black | 8.22:1 | AAA | Lc -52.2 | 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
#EDEBD7
oklch(93.6% 0.027 102.2)
-
Step 200
200
#DFDBB4
oklch(88.5% 0.052 102.5)
-
Step 300
300
#CBC47C
oklch(81% 0.093 103.5)
-
Step 400
400 (this color)
#B3A403
oklch(70.9% 0.149 102.9)
-
Step 500
500
#998C00
oklch(63.2% 0.133 102.9)
-
Step 600
600
#807500
oklch(55.5% 0.117 103)
-
Step 700
700
#6C6200
oklch(49% 0.103 102.5)
-
Step 800
800
#585000
oklch(42.6% 0.089 102.9)
-
Step 900
900
#4A4300
oklch(37.8% 0.079 102.7)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#B3A403 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) | #B49E00 | 0.016 |
| Deuteranopia (no green cones) | #B9A51C | 0.012 |
| Tritanopia (no blue cones) | #C2978B | 0.137 |
| Achromatopsia (no color) | #A2A2A2 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3A403
#B3A403
oklch(70.9% 0.149 102.9)
- #9593FA
#9593FA
oklch(70.9% 0.148 282.8)
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 #B3A403, closest first.
No curated palette has a color within ΔE 0.04 of #B3A403.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.029
- Ocher #BF9B0C ΔE 0.030
- Brown Yellow #B29705 ΔE 0.035
- Ocre #C69C04 ΔE 0.035
- Yellow Ochre #CB9D06 ΔE 0.041
- Yellow Brown #B79400 ΔE 0.042
- Dark Gold #B59410 ΔE 0.043
- Pea Soup Green #94A617 ΔE 0.044
Use #B3A403 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.