#AFB63E
Closest named color: Mustard Green (#A8B504). oklch(74.8% 0.141 112.6), rgb(175, 182, 62).
Aa
Black text reads best on this color (9.58:1).
About this color
#AFB63E is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.141 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.028 away. Black text reads best on it, at 9.58:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.58:1 |
| White text | 2.19:1 |
Values
| HEX | #AFB63E |
| RGB | rgb(175, 182, 62) |
| HSL | hsl(64, 49%, 48%) |
| OKLCH | oklch(74.8% 0.141 112.6) |
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 #AFB63E | 2.19:1 | Fails | Lc -47.8 | Large or bold text, headings |
| Black text on #AFB63E | 9.58:1 | AAA | Lc 60.9 | Content text, not long reading |
| #AFB63E text on white | 2.19:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #AFB63E text on black | 9.58:1 | AAA | Lc -59.2 | 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
#F5F6EE
oklch(97% 0.011 112.4)
-
Step 100
100
#EAECD9
oklch(93.6% 0.025 111.8)
-
Step 200
200
#D9DDB8
oklch(88.5% 0.049 112.4)
-
Step 300
300
#C1C784
oklch(80.9% 0.088 112.5)
-
Step 400
400 (this color)
#AFB63E
oklch(74.8% 0.141 112.6)
-
Step 500
500
#8B9100
oklch(63% 0.14 112.7)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#434600
oklch(37.9% 0.084 112.5)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#AFB63E 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) | #C3AE2D | 0.032 |
| Deuteranopia (no green cones) | #C4B146 | 0.035 |
| Tritanopia (no blue cones) | #BAAB9E | 0.126 |
| Achromatopsia (no color) | #AFAFAF | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AFB63E
#AFB63E
oklch(74.8% 0.141 112.6)
- #B19BFE
#B19BFE
oklch(74.8% 0.141 292.9)
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 #AFB63E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.028
- Light Olive Green #A4BE5C ΔE 0.028
- Olive Yellow #C2B709 ΔE 0.032
- Muddy Yellow #BFAC05 ΔE 0.033
- Pea #A4BF20 ΔE 0.037
- Light Olive #ACBF69 ΔE 0.039
- Bright Olive #9CBB04 ΔE 0.043
- Tan Green #A9BE70 ΔE 0.045
Use #AFB63E 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.