#BCA100
Closest named color: Ocher (#BF9B0C). oklch(71.2% 0.147 97), rgb(188, 161, 0).
Aa
Black text reads best on this color (8.23:1).
About this color
#BCA100 is a medium-light, vivid yellow. In OKLCH its lightness is 71%, its chroma 0.147 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Ocher (#BF9B0C), ΔE 0.017 away. Black text reads best on it, at 8.23:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.147) |
| Temperature | warm |
| Nearest name | Ocher (#BF9B0C) |
| Black text | 8.23:1 |
| White text | 2.54:1 |
Values
| HEX | #BCA100 |
| RGB | rgb(188, 161, 0) |
| HSL | hsl(51, 100%, 37%) |
| OKLCH | oklch(71.2% 0.147 97) |
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 #BCA100 | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #BCA100 | 8.23:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #BCA100 text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #BCA100 text on black | 8.23:1 | AAA | Lc -52.2 | 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
#F8F6ED
oklch(97.2% 0.012 96.4)
-
Step 100
100
#EFEAD7
oklch(93.6% 0.026 94.7)
-
Step 200
200
#E2DAB4
oklch(88.5% 0.051 97.4)
-
Step 300
300
#D1C17B
oklch(80.8% 0.092 96.9)
-
Step 400
400 (this color)
#BCA100
oklch(71.2% 0.147 97)
-
Step 500
500
#A08900
oklch(63.2% 0.13 97.2)
-
Step 600
600
#867300
oklch(55.7% 0.115 97.6)
-
Step 700
700
#716000
oklch(49.1% 0.101 97)
-
Step 800
800
#5D4E00
oklch(42.6% 0.088 96.3)
-
Step 900
900
#4D4100
oklch(37.6% 0.078 97.3)
-
Step 950
950
#2E2600
oklch(27% 0.056 97.1)
#BCA100 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) | #B39D00 | 0.018 |
| Deuteranopia (no green cones) | #BAA618 | 0.012 |
| Tritanopia (no blue cones) | #CC9389 | 0.136 |
| Achromatopsia (no color) | #A2A2A2 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BCA100
#BCA100
oklch(71.2% 0.147 97)
- #8C97FC
#8C97FC
oklch(71.1% 0.147 277.3)
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 #BCA100, closest first.
No curated palette has a color within ΔE 0.04 of #BCA100.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocher #BF9B0C ΔE 0.017
- Ocre #C69C04 ΔE 0.020
- Yellow Ochre #CB9D06 ΔE 0.026
- Muddy Yellow #BFAC05 ΔE 0.029
- Brown Yellow #B29705 ΔE 0.032
- Yellow Brown #B79400 ΔE 0.036
- Dark Gold #B59410 ΔE 0.038
- Ochre #BF9005 ΔE 0.044
Use #BCA100 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.