#BCA401
Closest named color: Muddy Yellow (#BFAC05). oklch(71.8% 0.148 98.7), rgb(188, 164, 1).
Aa
Black text reads best on this color (8.44:1).
About this color
#BCA401 is a medium-light, vivid yellow. In OKLCH its lightness is 72%, its chroma 0.148 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.022 away. Black text reads best on it, at 8.44:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.44:1 |
| White text | 2.48:1 |
Values
| HEX | #BCA401 |
| RGB | rgb(188, 164, 1) |
| HSL | hsl(52, 99%, 37%) |
| OKLCH | oklch(71.8% 0.148 98.7) |
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 #BCA401 | 2.48:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #BCA401 | 8.44:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #BCA401 text on white | 2.48:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #BCA401 text on black | 8.44:1 | AAA | Lc -53.4 | 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
#F7F6EC
oklch(97.1% 0.013 102)
-
Step 100
100
#EEEBD6
oklch(93.7% 0.028 100.3)
-
Step 200
200
#E1DAB4
oklch(88.4% 0.051 98.7)
-
Step 300
300
#D0C27B
oklch(81% 0.092 98.4)
-
Step 400
400 (this color)
#BCA401
oklch(71.8% 0.148 98.7)
-
Step 500
500
#9E8900
oklch(63% 0.13 98.3)
-
Step 600
600
#857300
oklch(55.6% 0.115 98.3)
-
Step 700
700
#706100
oklch(49.2% 0.102 98.7)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900
#4C4200
oklch(37.8% 0.078 99.5)
-
Step 950
950
#2D2600
oklch(26.8% 0.056 98.7)
#BCA401 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) | #B6A000 | 0.015 |
| Deuteranopia (no green cones) | #BCA81A | 0.010 |
| Tritanopia (no blue cones) | #CC968B | 0.137 |
| Achromatopsia (no color) | #A4A4A4 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BCA401
#BCA401
oklch(71.8% 0.148 98.7)
- #9098FF
#9098FF
oklch(71.7% 0.149 278.6)
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 #BCA401, closest first.
No curated palette has a color within ΔE 0.04 of #BCA401.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.022
- Ocher #BF9B0C ΔE 0.024
- Ocre #C69C04 ΔE 0.025
- Yellow Ochre #CB9D06 ΔE 0.029
- Brown Yellow #B29705 ΔE 0.039
- Yellow Brown #B79400 ΔE 0.043
- Burnt Yellow #D5AB09 ΔE 0.045
- Dark Gold #B59410 ΔE 0.045
Use #BCA401 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.