#BCB03F
Closest named color: Muddy Yellow (#BFAC05). oklch(74.6% 0.132 103.2), rgb(188, 176, 63).
Aa
Black text reads best on this color (9.42:1).
About this color
#BCB03F is a medium-light, moderately saturated yellow. In OKLCH its lightness is 75%, its chroma 0.132 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.023 away. Black text reads best on it, at 9.42:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #BCB03F |
| RGB | rgb(188, 176, 63) |
| HSL | hsl(54, 50%, 49%) |
| OKLCH | oklch(74.6% 0.132 103.2) |
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 #BCB03F | 2.22:1 | Fails | Lc -48.6 | Large or bold text, headings |
| Black text on #BCB03F | 9.42:1 | AAA | Lc 60.1 | Content text, not long reading |
| #BCB03F text on white | 2.22:1 | Fails | Lc 43.8 | Non-text elements, placeholder text |
| #BCB03F text on black | 9.42:1 | AAA | Lc -58.3 | 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
#F6F6EE
oklch(97.1% 0.011 106.6)
-
Step 100
100
#ECEBD9
oklch(93.6% 0.024 104.3)
-
Step 200
200
#DEDBB9
oklch(88.5% 0.045 103.1)
-
Step 300
300
#CAC384
oklch(80.8% 0.083 102.7)
-
Step 400
400 (this color)
#BCB03F
oklch(74.6% 0.132 103.2)
-
Step 500
500
#988C00
oklch(63.1% 0.133 103.5)
-
Step 600
600
#807500
oklch(55.5% 0.117 103)
-
Step 700
700
#6C6300
oklch(49.3% 0.104 103.3)
-
Step 800
800
#585000
oklch(42.6% 0.089 102.9)
-
Step 900
900
#494300
oklch(37.7% 0.08 103.8)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#BCB03F 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) | #BFAA30 | 0.016 |
| Deuteranopia (no green cones) | #C3B046 | 0.013 |
| Tritanopia (no blue cones) | #CAA499 | 0.121 |
| Achromatopsia (no color) | #AEAEAE | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BCB03F
#BCB03F
oklch(74.6% 0.132 103.2)
- #A2A1FD
#A2A1FD
oklch(74.7% 0.131 283.2)
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 #BCB03F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.023
- Olive Yellow #C2B709 ΔE 0.034
- Mustard #CEB301 ΔE 0.036
- Burnt Yellow #D5AB09 ΔE 0.039
- Dark Khaki #BDB76B ΔE 0.040
- Desert #CCAD60 ΔE 0.044
- Light Olive Green #A4BE5C ΔE 0.045
- Light Olive #ACBF69 ΔE 0.046
Use #BCB03F 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.