#9FB438
Closest named color: Mustard Green (#A8B504). oklch(73% 0.148 118.6), rgb(159, 180, 56).
Aa
Black text reads best on this color (9.05:1).
About this color
#9FB438 is a medium-light, vivid yellow. In OKLCH its lightness is 73%, its chroma 0.148 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.022 away. Black text reads best on it, at 9.05:1.
| Hue family | Yellows |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.05:1 |
| White text | 2.31:1 |
Values
| HEX | #9FB438 |
| RGB | rgb(159, 180, 56) |
| HSL | hsl(70, 53%, 46%) |
| OKLCH | oklch(73% 0.148 118.6) |
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 #9FB438 | 2.31:1 | Fails | Lc -50.5 | Large or bold text, headings |
| Black text on #9FB438 | 9.05:1 | AAA | Lc 58.4 | Large or bold text, headings |
| #9FB438 text on white | 2.31:1 | Fails | Lc 45.6 | Large or bold text, headings |
| #9FB438 text on black | 9.05:1 | AAA | Lc -56.5 | 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
#F4F7EE
oklch(97.1% 0.012 121.7)
-
Step 100
100
#E8EDD9
oklch(93.7% 0.027 118.3)
-
Step 200
200
#D5DEB9
oklch(88.4% 0.05 118.5)
-
Step 300
300
#BAC984
oklch(80.8% 0.093 118.5)
-
Step 400
400 (this color)
#9FB438
oklch(73% 0.148 118.6)
-
Step 500
500
#819500
oklch(63.2% 0.148 118.8)
-
Step 600
600
#6C7D00
oklch(55.6% 0.13 118.8)
-
Step 700
700
#5B6900
oklch(49.2% 0.115 118.5)
-
Step 800
800
#4A5600
oklch(42.8% 0.1 118.6)
-
Step 900
900
#3D4700
oklch(37.6% 0.088 118.5)
-
Step 950
950
#242A00
oklch(27% 0.063 117.7)
#9FB438 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) | #C0AA25 | 0.050 |
| Deuteranopia (no green cones) | #BDAB42 | 0.051 |
| Tritanopia (no blue cones) | #A8AA9B | 0.127 |
| Achromatopsia (no color) | #AAAAAA | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9FB438
#9FB438
oklch(73% 0.148 118.6)
- #B491F8
#B491F8
oklch(73% 0.149 298.3)
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 #9FB438, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.022
- Avocado #90B134 ΔE 0.023
- Icky Green #8FAE22 ΔE 0.031
- Bright Olive #9CBB04 ΔE 0.032
- Pea #A4BF20 ΔE 0.036
- Light Olive Green #A4BE5C ΔE 0.037
- Pea Green #8EAB12 ΔE 0.039
- Pea Soup Green #94A617 ΔE 0.043
Use #9FB438 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.