#AC900F
Closest named color: Yellowy Brown (#AE8B0C). oklch(66% 0.132 94.7), rgb(172, 144, 15).
Aa
Black text reads best on this color (6.75:1).
About this color
#AC900F is a medium-light, moderately saturated yellow. In OKLCH its lightness is 66%, its chroma 0.132 and its hue 95°. Its hue sits on the warm side of the wheel. The nearest named color is Yellowy Brown (#AE8B0C), ΔE 0.013 away. Black text reads best on it, at 6.75:1.
| Hue family | Yellows |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Yellowy Brown (#AE8B0C) |
| Black text | 6.75:1 |
| White text | 3.11:1 |
Values
| HEX | #AC900F |
| RGB | rgb(172, 144, 15) |
| HSL | hsl(49, 84%, 37%) |
| OKLCH | oklch(66% 0.132 94.7) |
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 #AC900F | 3.11:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #AC900F | 6.75:1 | AA | Lc 46.1 | Large or bold text, headings |
| #AC900F text on white | 3.11:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #AC900F text on black | 6.75:1 | AA | Lc -43.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F7F5EF
oklch(97% 0.008 91.5)
-
Step 100
100
#EEEADC
oklch(93.6% 0.019 93.7)
-
Step 200
200
#E0D9BF
oklch(88.4% 0.036 94.6)
-
Step 300
300
#CEC191
oklch(81% 0.065 94.7)
-
Step 400
400
#B5A050
oklch(70.8% 0.103 94.9)
-
Step 500
500 (this color)
#AC900F
oklch(66% 0.132 94.7)
-
Step 600
600
#897100
oklch(55.5% 0.114 94.1)
-
Step 700
700
#735F00
oklch(49.1% 0.101 94.6)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900
#4F4000
oklch(37.6% 0.077 93.9)
-
Step 950
950
#2F2601
oklch(27.1% 0.054 95.1)
#AC900F 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) | #A18D00 | 0.021 |
| Deuteranopia (no green cones) | #A8961C | 0.016 |
| Tritanopia (no blue cones) | #BB837A | 0.121 |
| Achromatopsia (no color) | #929292 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC900F
#AC900F
oklch(66% 0.132 94.7)
- #7B8AE2
#7B8AE2
oklch(66% 0.132 274.9)
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 #AC900F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellowy Brown #AE8B0C ΔE 0.013
- Dark Gold #B59410 ΔE 0.019
- Dark Mustard #A88905 ΔE 0.020
- Yellow Brown #B79400 ΔE 0.022
- Brown Yellow #B29705 ΔE 0.022
- Ochre #BF9005 ΔE 0.031
- Dark Goldenrod #B8860B ΔE 0.031
- Ocher #BF9B0C ΔE 0.044
Use #AC900F 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.