#ACA50F
Closest named color: Pea Soup Green (#94A617). oklch(70.5% 0.148 106.5), rgb(172, 165, 15).
Aa
Black text reads best on this color (8.14:1).
About this color
#ACA50F is a medium-light, vivid yellow. In OKLCH its lightness is 71%, its chroma 0.148 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Pea Soup Green (#94A617), ΔE 0.034 away. Black text reads best on it, at 8.14:1.
| Hue family | Yellows |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Pea Soup Green (#94A617) |
| Black text | 8.14:1 |
| White text | 2.57:1 |
Values
| HEX | #ACA50F |
| RGB | rgb(172, 165, 15) |
| HSL | hsl(57, 84%, 37%) |
| OKLCH | oklch(70.5% 0.148 106.5) |
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 #ACA50F | 2.57:1 | Fails | Lc -55.4 | Large or bold text, headings |
| Black text on #ACA50F | 8.14:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #ACA50F text on white | 2.57:1 | Fails | Lc 50.3 | Large or bold text, headings |
| #ACA50F text on black | 8.14:1 | AAA | Lc -51.7 | 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
#ECEBD7
oklch(93.5% 0.027 104.6)
-
Step 200
200
#DDDCB5
oklch(88.5% 0.052 106.2)
-
Step 300
300
#C8C57E
oklch(81% 0.092 106.2)
-
Step 400
400 (this color)
#ACA50F
oklch(70.5% 0.148 106.5)
-
Step 500
500
#948E00
oklch(63.1% 0.135 106.7)
-
Step 600
600
#7C7700
oklch(55.6% 0.119 106.8)
-
Step 700
700
#686400
oklch(49.1% 0.105 107)
-
Step 800
800
#555200
oklch(42.8% 0.092 107.3)
-
Step 900
900
#474400
oklch(37.7% 0.081 106.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#ACA50F 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) | #B49E00 | 0.020 |
| Deuteranopia (no green cones) | #B7A422 | 0.020 |
| Tritanopia (no blue cones) | #BA998C | 0.135 |
| Achromatopsia (no color) | #A1A1A1 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACA50F
#ACA50F
oklch(70.5% 0.148 106.5)
- #9A90F7
#9A90F7
oklch(70.6% 0.148 286.4)
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 #ACA50F, closest first.
No curated palette has a color within ΔE 0.04 of #ACA50F.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea Soup Green #94A617 ΔE 0.034
- Muddy Yellow #BFAC05 ΔE 0.036
- Brown Yellow #B29705 ΔE 0.037
- Ocher #BF9B0C ΔE 0.038
- Icky Green #8FAE22 ΔE 0.043
- Mustard Green #A8B504 ΔE 0.044
- Pea Green #8EAB12 ΔE 0.044
- Avocado #90B134 ΔE 0.045
Use #ACA50F 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.