#B1A005
Closest named color: Brown Yellow (#B29705). oklch(69.9% 0.145 101.7), rgb(177, 160, 5).
Aa
Black text reads best on this color (7.89:1).
About this color
#B1A005 is a medium-light, vivid yellow. In OKLCH its lightness is 70%, its chroma 0.145 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.024 away. Black text reads best on it, at 7.89:1.
| Hue family | Yellows |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 7.89:1 |
| White text | 2.65:1 |
Values
| HEX | #B1A005 |
| RGB | rgb(177, 160, 5) |
| HSL | hsl(54, 95%, 36%) |
| OKLCH | oklch(69.9% 0.145 101.7) |
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 #B1A005 | 2.65:1 | Fails | Lc -56.7 | Large or bold text, headings |
| Black text on #B1A005 | 7.89:1 | AAA | Lc 52.5 | Large or bold text, headings |
| #B1A005 text on white | 2.65:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #B1A005 text on black | 7.89:1 | AAA | Lc -50.4 | 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
#F7F6ED
oklch(97.1% 0.012 101.5)
-
Step 100
100
#EDEBD7
oklch(93.6% 0.027 102.2)
-
Step 200
200
#DFDBB5
oklch(88.5% 0.05 102.4)
-
Step 300
300
#CCC37D
oklch(80.9% 0.091 101.9)
-
Step 400
400 (this color)
#B1A005
oklch(69.9% 0.145 101.7)
-
Step 500
500
#9A8B00
oklch(63% 0.132 101.8)
-
Step 600
600
#827500
oklch(55.7% 0.116 101.7)
-
Step 700
700
#6D6200
oklch(49.1% 0.103 101.8)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900
#4A4200
oklch(37.6% 0.079 101.6)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#B1A005 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) | #B09B00 | 0.013 |
| Deuteranopia (no green cones) | #B5A21C | 0.010 |
| Tritanopia (no blue cones) | #C09388 | 0.134 |
| Achromatopsia (no color) | #9F9F9F | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1A005
#B1A005
oklch(69.9% 0.145 101.7)
- #9091F5
#9091F5
oklch(69.9% 0.145 281.5)
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 #B1A005, closest first.
No curated palette has a color within ΔE 0.04 of #B1A005.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.024
- Ocher #BF9B0C ΔE 0.025
- Yellow Brown #B79400 ΔE 0.032
- Dark Gold #B59410 ΔE 0.033
- Ocre #C69C04 ΔE 0.034
- Muddy Yellow #BFAC05 ΔE 0.040
- Yellow Ochre #CB9D06 ΔE 0.042
- Pea Soup Green #94A617 ΔE 0.043
Use #B1A005 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.