#B5AC2E
Closest named color: Muddy Yellow (#BFAC05). oklch(73% 0.14 105.2), rgb(181, 172, 46).
Aa
Black text reads best on this color (8.90:1).
About this color
#B5AC2E is a medium-light, vivid yellow. In OKLCH its lightness is 73%, its chroma 0.140 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Yellow (#BFAC05), ΔE 0.018 away. Black text reads best on it, at 8.90:1.
| Hue family | Yellows |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.140) |
| Temperature | warm |
| Nearest name | Muddy Yellow (#BFAC05) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #B5AC2E |
| RGB | rgb(181, 172, 46) |
| HSL | hsl(56, 59%, 45%) |
| OKLCH | oklch(73% 0.14 105.2) |
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 #B5AC2E | 2.35:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #B5AC2E | 8.90:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #B5AC2E text on white | 2.35:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #B5AC2E text on black | 8.90:1 | AAA | Lc -55.7 | 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
#F6F6ED
oklch(97.1% 0.012 106.6)
-
Step 100
100
#ECEBD8
oklch(93.6% 0.025 104.4)
-
Step 200
200
#DDDCB7
oklch(88.6% 0.049 106.1)
-
Step 300
300
#C8C481
oklch(80.8% 0.087 105.3)
-
Step 400
400 (this color)
#B5AC2E
oklch(73% 0.14 105.2)
-
Step 500
500
#968D00
oklch(63.1% 0.134 105.1)
-
Step 600
600
#7E7600
oklch(55.5% 0.118 104.9)
-
Step 700
700
#6A6300
oklch(49.1% 0.104 104.8)
-
Step 800
800
#575100
oklch(42.7% 0.09 104.7)
-
Step 900
900
#484300
oklch(37.6% 0.08 104.8)
-
Step 950
950
#2B2800
oklch(27.1% 0.058 105.3)
#B5AC2E 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) | #BBA614 | 0.017 |
| Deuteranopia (no green cones) | #BFAB37 | 0.018 |
| Tritanopia (no blue cones) | #C3A094 | 0.128 |
| Achromatopsia (no color) | #A9A9A9 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B5AC2E
#B5AC2E
oklch(73% 0.14 105.2)
- #A09AFC
#A09AFC
oklch(73.1% 0.14 285.2)
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 #B5AC2E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Yellow #BFAC05 ΔE 0.018
- Mustard Green #A8B504 ΔE 0.037
- Olive Yellow #C2B709 ΔE 0.040
- Ocher #BF9B0C ΔE 0.043
- Ocre #C69C04 ΔE 0.044
- Mustard #CEB301 ΔE 0.045
- Yellow Ochre #CB9D06 ΔE 0.046
- Burnt Yellow #D5AB09 ΔE 0.048
Use #B5AC2E 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.