#B1A300
Closest named color: Ocher (#BF9B0C). oklch(70.5% 0.149 103.4), rgb(177, 163, 0).
Aa
Black text reads best on this color (8.10:1).
About this color
#B1A300 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 Ocher (#BF9B0C), ΔE 0.030 away. Black text reads best on it, at 8.10:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 8.10:1 |
| White text | 2.58:1 |
Values
| HEX | #B1A300 |
| RGB | rgb(177, 163, 0) |
| HSL | hsl(55, 100%, 35%) |
| OKLCH | oklch(70.5% 0.149 103.4) |
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 #B1A300 | 2.58:1 | Fails | Lc -55.5 | Large or bold text, headings |
| Black text on #B1A300 | 8.10:1 | AAA | Lc 53.6 | Large or bold text, headings |
| #B1A300 text on white | 2.58:1 | Fails | Lc 50.4 | Large or bold text, headings |
| #B1A300 text on black | 8.10:1 | AAA | Lc -51.5 | 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
#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)
#B1A300
oklch(70.5% 0.149 103.4)
-
Step 500
500
#988C00
oklch(63.1% 0.133 103.5)
-
Step 600
600
#807500
oklch(55.5% 0.117 103)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#B1A300 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) | #B39D00 | 0.016 |
| Deuteranopia (no green cones) | #B8A41A | 0.014 |
| Tritanopia (no blue cones) | #BF968A | 0.136 |
| Achromatopsia (no color) | #A1A1A1 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1A300
#B1A300
oklch(70.5% 0.149 103.4)
- #9592F9
#9592F9
oklch(70.6% 0.148 283.2)
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 #B1A300, closest first.
No curated palette has a color within ΔE 0.04 of #B1A300.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.030
- Brown Yellow #B29705 ΔE 0.032
- Muddy Yellow #BFAC05 ΔE 0.033
- Ocre #C69C04 ΔE 0.037
- Yellow Brown #B79400 ΔE 0.040
- Dark Gold #B59410 ΔE 0.041
- Pea Soup Green #94A617 ΔE 0.041
- Yellow Ochre #CB9D06 ΔE 0.043
Use #B1A300 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.