#BCAC37
Closest named color: Muddy Yellow (#BFAC05). oklch(73.7% 0.134 101.4), rgb(188, 172, 55).
Aa
Black text reads best on this color (9.09:1).
About this color
#BCAC37 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 74%, its chroma 0.134 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.019 away. Black text reads best on it, at 9.09:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 9.09:1 |
| White text | 2.30:1 |
Values
| HEX | #BCAC37 |
| RGB | rgb(188, 172, 55) |
| HSL | hsl(53, 55%, 48%) |
| OKLCH | oklch(73.7% 0.134 101.4) |
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 #BCAC37 | 2.30:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #BCAC37 | 9.09:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #BCAC37 text on white | 2.30:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #BCAC37 text on black | 9.09:1 | AAA | Lc -56.7 | 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
#EDEBD9
oklch(93.7% 0.024 101.7)
-
Step 200
200
#DFDBB8
oklch(88.6% 0.047 101.9)
-
Step 300
300
#CCC383
oklch(81% 0.084 101.2)
-
Step 400
400 (this color)
#BCAC37
oklch(73.7% 0.134 101.4)
-
Step 500
500
#9B8B00
oklch(63.1% 0.132 101.2)
-
Step 600
600
#827500
oklch(55.7% 0.116 101.7)
-
Step 700
700
#6D6200
oklch(49.1% 0.103 101.8)
-
Step 800
800
#5A5000
oklch(42.8% 0.089 101.1)
-
Step 900
900
#4B4200
oklch(37.7% 0.078 100.6)
-
Step 950
950
#2C2700
oklch(27% 0.057 102.1)
#BCAC37 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) | #BCA725 | 0.014 |
| Deuteranopia (no green cones) | #C1AD3E | 0.010 |
| Tritanopia (no blue cones) | #CAA095 | 0.123 |
| Achromatopsia (no color) | #ABABAB | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #BCAC37
#BCAC37
oklch(73.7% 0.134 101.4)
- #9C9FFC
#9C9FFC
oklch(73.8% 0.133 281.2)
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 #BCAC37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.019
- Burnt Yellow #D5AB09 ΔE 0.039
- Mustard #CEB301 ΔE 0.039
- Olive Yellow #C2B709 ΔE 0.039
- Yellow Ochre #CB9D06 ΔE 0.040
- Ocre #C69C04 ΔE 0.040
- Ocher #BF9B0C ΔE 0.042
- Goldenrod #DAA520 ΔE 0.047
Use #BCAC37 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.