#9FB640
Closest named color: Mustard Green (#A8B504). oklch(73.6% 0.145 119.5), rgb(159, 182, 64).
Aa
Black text reads best on this color (9.23:1).
About this color
#9FB640 is a medium-light, vivid yellow. In OKLCH its lightness is 74%, its chroma 0.145 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mustard Green (#A8B504), ΔE 0.025 away. Black text reads best on it, at 9.23:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.23:1 |
| White text | 2.27:1 |
Values
| HEX | #9FB640 |
| RGB | rgb(159, 182, 64) |
| HSL | hsl(72, 48%, 48%) |
| OKLCH | oklch(73.6% 0.145 119.5) |
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 #9FB640 | 2.27:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #9FB640 | 9.23:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #9FB640 text on white | 2.27:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #9FB640 text on black | 9.23:1 | AAA | Lc -57.4 | 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
#E7EDD9
oklch(93.6% 0.027 120.5)
-
Step 200
200
#D5DEBA
oklch(88.4% 0.049 118.8)
-
Step 300
300
#B9CA87
oklch(81% 0.091 120)
-
Step 400
400 (this color)
#9FB640
oklch(73.6% 0.145 119.5)
-
Step 500
500
#7F9500
oklch(63% 0.149 119.6)
-
Step 600
600
#6B7D00
oklch(55.5% 0.131 119.3)
-
Step 700
700
#596900
oklch(49% 0.116 119.6)
-
Step 800
800
#495600
oklch(42.7% 0.101 119.3)
-
Step 900
900
#3C4800
oklch(37.7% 0.09 119.9)
-
Step 950
950
#232A00
oklch(26.9% 0.063 118.9)
#9FB640 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) | #C1AC30 | 0.051 |
| Deuteranopia (no green cones) | #BFAC48 | 0.054 |
| Tritanopia (no blue cones) | #A8AD9E | 0.123 |
| Achromatopsia (no color) | #ACACAC | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9FB640
#9FB640
oklch(73.6% 0.145 119.5)
- #B793F7
#B793F7
oklch(73.6% 0.145 299.4)
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 #9FB640, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.025
- Avocado #90B134 ΔE 0.027
- Light Olive Green #A4BE5C ΔE 0.030
- Bright Olive #9CBB04 ΔE 0.033
- Pea #A4BF20 ΔE 0.035
- Icky Green #8FAE22 ΔE 0.037
- Pea Green #8EAB12 ΔE 0.045
- Light Olive #ACBF69 ΔE 0.047
Use #9FB640 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.