#B3991F
Closest named color: Brown Yellow (#B29705). oklch(68.7% 0.133 95.9), rgb(179, 153, 31).
Aa
Black text reads best on this color (7.49:1).
About this color
#B3991F is a medium-light, moderately saturated yellow. In OKLCH its lightness is 69%, its chroma 0.133 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.009 away. Black text reads best on it, at 7.49:1.
| Hue family | Yellows |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Brown Yellow (#B29705) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #B3991F |
| RGB | rgb(179, 153, 31) |
| HSL | hsl(49, 70%, 41%) |
| OKLCH | oklch(68.7% 0.133 95.9) |
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 #B3991F | 2.80:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #B3991F | 7.49:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #B3991F text on white | 2.80:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #B3991F text on black | 7.49:1 | AAA | Lc -48.1 | 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
#EEEAD8
oklch(93.5% 0.024 96.6)
-
Step 200
200
#E2DAB7
oklch(88.6% 0.047 96.6)
-
Step 300
300
#D0C182
oklch(80.9% 0.084 96.4)
-
Step 400
400 (this color)
#B3991F
oklch(68.7% 0.133 95.9)
-
Step 500
500
#A18800
oklch(63.1% 0.13 96)
-
Step 600
600
#877200
oklch(55.5% 0.114 96.2)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800
#5D4E00
oklch(42.6% 0.088 96.3)
-
Step 900
900
#4E4100
oklch(37.8% 0.078 96.2)
-
Step 950
950
#2F2600
oklch(27.1% 0.056 95.5)
#B3991F 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) | #AA9600 | 0.020 |
| Deuteranopia (no green cones) | #B09E28 | 0.013 |
| Tritanopia (no blue cones) | #C28C83 | 0.123 |
| Achromatopsia (no color) | #9A9A9A | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B3991F
#B3991F
oklch(68.7% 0.133 95.9)
- #8492EC
#8492EC
oklch(68.7% 0.133 275.6)
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 #B3991F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Yellow #B29705 ΔE 0.009
- Dark Gold #B59410 ΔE 0.012
- Yellow Brown #B79400 ΔE 0.014
- Ocher #BF9B0C ΔE 0.020
- Ochre #BF9005 ΔE 0.027
- Ocre #C69C04 ΔE 0.032
- Yellowy Brown #AE8B0C ΔE 0.038
- Yellow Ochre #CB9D06 ΔE 0.041
Use #B3991F 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.