#BCA637
Closest named color: Ocre (#C69C04). oklch(72.4% 0.129 97.7), rgb(188, 166, 55).
Aa
Black text reads best on this color (8.64:1).
About this color
#BCA637 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 72%, its chroma 0.129 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Ocre (#C69C04), ΔE 0.029 away. Black text reads best on it, at 8.64:1.
| Hue family | Yellows |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Ocre (#C69C04) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #BCA637 |
| RGB | rgb(188, 166, 55) |
| HSL | hsl(50, 55%, 48%) |
| OKLCH | oklch(72.4% 0.129 97.7) |
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 #BCA637 | 2.42:1 | Fails | Lc -52.7 | Large or bold text, headings |
| Black text on #BCA637 | 8.64:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #BCA637 text on white | 2.42:1 | Fails | Lc 47.7 | Large or bold text, headings |
| #BCA637 text on black | 8.64:1 | AAA | Lc -54.3 | 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
#F7F6EE
oklch(97.2% 0.011 100.8)
-
Step 100
100
#EEEAD9
oklch(93.6% 0.023 96)
-
Step 200
200
#E1DAB9
oklch(88.5% 0.044 97.3)
-
Step 300
300
#CEC285
oklch(81% 0.081 98.4)
-
Step 400
400 (this color)
#BCA637
oklch(72.4% 0.129 97.7)
-
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
#706000
oklch(49% 0.101 97.8)
-
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)
#BCA637 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) | #B6A227 | 0.017 |
| Deuteranopia (no green cones) | #BCA93E | 0.008 |
| Tritanopia (no blue cones) | #CB9A90 | 0.119 |
| Achromatopsia (no color) | #A6A6A6 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BCA637
#BCA637
oklch(72.4% 0.129 97.7)
- #939DF6
#939DF6
oklch(72.4% 0.129 277.8)
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 #BCA637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocre #C69C04 ΔE 0.029
- Ocher #BF9B0C ΔE 0.029
- Muddy Yellow #BFAC05 ΔE 0.029
- Yellow Ochre #CB9D06 ΔE 0.030
- Burnt Yellow #D5AB09 ΔE 0.044
- Camel #C69F59 ΔE 0.045
- Brown Yellow #B29705 ΔE 0.045
- Goldenrod #DAA520 ΔE 0.046
Use #BCA637 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.