#BF9F00
Closest named color: Ocher (#BF9B0C). oklch(71% 0.146 94.5), rgb(191, 159, 0).
Aa
Black text reads best on this color (8.17:1).
About this color
#BF9F00 is a medium-light, vivid yellow. In OKLCH its lightness is 71%, its chroma 0.146 and its hue 94°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.011 away. Black text reads best on it, at 8.17:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.146) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #BF9F00 |
| RGB | rgb(191, 159, 0) |
| HSL | hsl(50, 100%, 37%) |
| OKLCH | oklch(71% 0.146 94.5) |
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 #BF9F00 | 2.56:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #BF9F00 | 8.17:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #BF9F00 text on white | 2.56:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #BF9F00 text on black | 8.17:1 | AAA | Lc -51.9 | 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
#F8F5ED
oklch(97% 0.011 89.7)
-
Step 100
100
#EFEAD7
oklch(93.6% 0.026 94.7)
-
Step 200
200
#E4D9B4
oklch(88.5% 0.05 93.4)
-
Step 300
300
#D3C07B
oklch(80.8% 0.091 94.5)
-
Step 400
400 (this color)
#BF9F00
oklch(71% 0.146 94.5)
-
Step 500
500
#A38700
oklch(63.1% 0.129 94.2)
-
Step 600
600
#897100
oklch(55.5% 0.114 94.1)
-
Step 700
700
#735F00
oklch(49.1% 0.101 94.6)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900
#4F4000
oklch(37.6% 0.077 93.9)
-
Step 950
950
#2F2600
oklch(27.1% 0.056 95.5)
#BF9F00 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) | #B29C00 | 0.023 |
| Deuteranopia (no green cones) | #BAA617 | 0.018 |
| Tritanopia (no blue cones) | #D09187 | 0.134 |
| Achromatopsia (no color) | #A1A1A1 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BF9F00
#BF9F00
oklch(71% 0.146 94.5)
- #8799FC
#8799FC
oklch(71.2% 0.146 274.3)
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 #BF9F00, closest first.
No curated palette has a color within ΔE 0.04 of #BF9F00.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.011
- Ocre #C69C04 ΔE 0.013
- Yellow Ochre #CB9D06 ΔE 0.020
- Brown Yellow #B29705 ΔE 0.031
- Yellow Brown #B79400 ΔE 0.033
- Muddy Yellow #BFAC05 ΔE 0.034
- Dark Gold #B59410 ΔE 0.035
- Ochre #BF9005 ΔE 0.039
Use #BF9F00 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.