#AFBF18
Closest named color: Pea (#A4BF20). oklch(76.6% 0.17 115.8), rgb(175, 191, 24).
Aa
Black text reads best on this color (10.28:1).
About this color
#AFBF18 is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.170 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pea (#A4BF20), ΔE 0.014 away. Black text reads best on it, at 10.28:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Pea (#A4BF20) |
| Black text | 10.28:1 |
| White text | 2.04:1 |
Values
| HEX | #AFBF18 |
| RGB | rgb(175, 191, 24) |
| HSL | hsl(66, 78%, 42%) |
| OKLCH | oklch(76.6% 0.17 115.8) |
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 #AFBF18 | 2.04:1 | Fails | Lc -44.1 | Non-text elements, placeholder text |
| Black text on #AFBF18 | 10.28:1 | AAA | Lc 64.4 | Content text, not long reading |
| #AFBF18 text on white | 2.04:1 | Fails | Lc 39.6 | Non-text elements, placeholder text |
| #AFBF18 text on black | 10.28:1 | AAA | Lc -62.8 | Content text, not long reading |
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 300.
-
Step 50
50
#F4F8E7
oklch(97.2% 0.023 117.6)
-
Step 100
100
#E8EFCA
oklch(93.7% 0.049 116.1)
-
Step 200
200
#D6E199
oklch(88.4% 0.094 115.4)
-
Step 300
300 (this color)
#AFBF18
oklch(76.6% 0.17 115.8)
-
Step 400
400
#9DAC00
oklch(70.8% 0.162 115.9)
-
Step 500
500
#869300
oklch(63.1% 0.144 115.9)
-
Step 600
600
#717B00
oklch(55.5% 0.126 115.3)
-
Step 700
700
#5E6800
oklch(49.2% 0.113 116.2)
-
Step 800
800
#4D5500
oklch(42.8% 0.098 115.9)
-
Step 900
900
#404700
oklch(37.8% 0.086 116)
-
Step 950
950
#252A00
oklch(27.1% 0.062 116.5)
#AFBF18 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) | #CDB500 | 0.047 |
| Deuteranopia (no green cones) | #CCB72D | 0.049 |
| Tritanopia (no blue cones) | #BBB3A3 | 0.150 |
| Achromatopsia (no color) | #B5B5B5 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AFBF18
#AFBF18
oklch(76.6% 0.17 115.8)
- #BBA0FF
#BBA0FF
oklch(76.6% 0.135 296.1)
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 #AFBF18, closest first.
No curated palette has a color within ΔE 0.04 of #AFBF18.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea #A4BF20 ΔE 0.014
- Mustard Green #A8B504 ΔE 0.029
- Bright Olive #9CBB04 ΔE 0.030
- Olive Yellow #C2B709 ΔE 0.032
- Yellow Green #9ACD32 ΔE 0.041
- Slime Green #99CC04 ΔE 0.044
- Light Olive Green #A4BE5C ΔE 0.045
- Mustard Yellow #D2BD0A ΔE 0.050
Use #AFBF18 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.