#9FC939
Closest named color: Yellow Green (#9ACD32). oklch(77.9% 0.173 124.6), rgb(159, 201, 57).
Aa
Black text reads best on this color (10.88:1).
About this color
#9FC939 is a medium-light, vivid yellow. In OKLCH its lightness is 78%, its chroma 0.173 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.014 away. Black text reads best on it, at 10.88:1.
| Hue family | Yellows |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 10.88:1 |
| White text | 1.92:1 |
Values
| HEX | #9FC939 |
| RGB | rgb(159, 201, 57) |
| HSL | hsl(78, 57%, 51%) |
| OKLCH | oklch(77.9% 0.173 124.6) |
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 #9FC939 | 1.92:1 | Fails | Lc -41.1 | Non-text elements, placeholder text |
| Black text on #9FC939 | 10.88:1 | AAA | Lc 67.1 | Content text, not long reading |
| #9FC939 text on white | 1.92:1 | Fails | Lc 36.8 | Non-text elements, placeholder text |
| #9FC939 text on black | 10.88:1 | AAA | Lc -65.7 | 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
#F2F8E8
oklch(97% 0.022 123.6)
-
Step 100
100
#E2F0CC
oklch(93.5% 0.05 124.7)
-
Step 200
200
#CBE59E
oklch(88.6% 0.097 124.7)
-
Step 300
300 (this color)
#9FC939
oklch(77.9% 0.173 124.6)
-
Step 400
400
#89B200
oklch(70.8% 0.177 124.5)
-
Step 500
500
#759800
oklch(63% 0.157 124.4)
-
Step 600
600
#618000
oklch(55.5% 0.139 124.8)
-
Step 700
700
#516C00
oklch(49.2% 0.123 125)
-
Step 800
800
#425800
oklch(42.6% 0.107 124.6)
-
Step 900
900
#374900
oklch(37.6% 0.094 124.1)
-
Step 950
950
#1F2C00
oklch(27.1% 0.068 125.1)
#9FC939 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) | #D4BC1F | 0.074 |
| Deuteranopia (no green cones) | #CFBA46 | 0.078 |
| Tritanopia (no blue cones) | #A6BFAD | 0.141 |
| Achromatopsia (no color) | #BBBBBB | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9FC939
#9FC939
oklch(77.9% 0.173 124.6)
- #CB9FFF
#CB9FFF
oklch(77.8% 0.14 304.4)
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 #9FC939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.014
- Slime Green #99CC04 ΔE 0.025
- Pea #A4BF20 ΔE 0.026
- Bright Olive #9CBB04 ΔE 0.039
- Light Olive Green #A4BE5C ΔE 0.048
- Apple Green #76CD26 ΔE 0.049
- Mustard Green #A8B504 ΔE 0.051
- Apple #6ECB3C ΔE 0.052
Use #9FC939 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.