#BCA31B
Closest named color: Ocher (#BF9B0C). oklch(71.6% 0.142 97.5), rgb(188, 163, 27).
Aa
Black text reads best on this color (8.39:1).
About this color
#BCA31B is a medium-light, vivid yellow. In OKLCH its lightness is 72%, its chroma 0.142 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.020 away. Black text reads best on it, at 8.39:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 8.39:1 |
| White text | 2.50:1 |
Values
| HEX | #BCA31B |
| RGB | rgb(188, 163, 27) |
| HSL | hsl(51, 75%, 42%) |
| OKLCH | oklch(71.6% 0.142 97.5) |
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 #BCA31B | 2.50:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #BCA31B | 8.39:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #BCA31B text on white | 2.50:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #BCA31B text on black | 8.39:1 | AAA | Lc -53.0 | 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
#EEEAD7
oklch(93.5% 0.026 97.1)
-
Step 200
200
#E2DAB5
oklch(88.5% 0.05 97.2)
-
Step 300
300
#D0C17E
oklch(80.8% 0.088 97.1)
-
Step 400
400 (this color)
#BCA31B
oklch(71.6% 0.142 97.5)
-
Step 500
500
#9F8900
oklch(63.1% 0.13 97.8)
-
Step 600
600
#867300
oklch(55.7% 0.115 97.6)
-
Step 700
700
#716000
oklch(49.1% 0.101 97)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4D4100
oklch(37.6% 0.078 97.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#BCA31B 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) | #B59F00 | 0.017 |
| Deuteranopia (no green cones) | #BBA727 | 0.010 |
| Tritanopia (no blue cones) | #CC968B | 0.130 |
| Achromatopsia (no color) | #A4A4A4 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BCA31B
#BCA31B
oklch(71.6% 0.142 97.5)
- #8F99FB
#8F99FB
oklch(71.6% 0.142 277.7)
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 #BCA31B, closest first.
No curated palette has a color within ΔE 0.04 of #BCA31B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.020
- Ocre #C69C04 ΔE 0.022
- Yellow Ochre #CB9D06 ΔE 0.026
- Muddy Yellow #BFAC05 ΔE 0.026
- Brown Yellow #B29705 ΔE 0.036
- Yellow Brown #B79400 ΔE 0.040
- Dark Gold #B59410 ΔE 0.041
- Burnt Yellow #D5AB09 ΔE 0.046
Use #BCA31B 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.