#9FB73B
Closest named color: Mustard Green (#A8B504). oklch(73.8% 0.15 119.7), rgb(159, 183, 59).
Aa
Black text reads best on this color (9.31:1).
About this color
#9FB73B is a medium-light, vivid yellow. In OKLCH its lightness is 74%, its chroma 0.150 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 0.021 away. Black text reads best on it, at 9.31:1.
| Hue family | Yellows |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Mustard Green (#A8B504) |
| Black text | 9.31:1 |
| White text | 2.25:1 |
Values
| HEX | #9FB73B |
| RGB | rgb(159, 183, 59) |
| HSL | hsl(72, 51%, 47%) |
| OKLCH | oklch(73.8% 0.15 119.7) |
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 #9FB73B | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #9FB73B | 9.31:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #9FB73B text on white | 2.25:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #9FB73B text on black | 9.31:1 | AAA | Lc -57.8 | 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
#D4DFB9
oklch(88.5% 0.052 120.6)
-
Step 300
300
#B9CA84
oklch(80.9% 0.094 119.7)
-
Step 400
400 (this color)
#9FB73B
oklch(73.8% 0.15 119.7)
-
Step 500
500
#7F9500
oklch(63% 0.149 119.6)
-
Step 600
600
#6A7D00
oklch(55.5% 0.131 119.7)
-
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
#232B00
oklch(27.2% 0.064 120)
#9FB73B 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) | #C2AD29 | 0.052 |
| Deuteranopia (no green cones) | #C0AD44 | 0.055 |
| Tritanopia (no blue cones) | #A8AD9E | 0.128 |
| Achromatopsia (no color) | #ADADAD | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9FB73B
#9FB73B
oklch(73.8% 0.15 119.7)
- #B993FA
#B993FA
oklch(73.9% 0.149 299.8)
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 #9FB73B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Green #A8B504 ΔE 0.021
- Avocado #90B134 ΔE 0.027
- Bright Olive #9CBB04 ΔE 0.028
- Pea #A4BF20 ΔE 0.030
- Light Olive Green #A4BE5C ΔE 0.032
- Icky Green #8FAE22 ΔE 0.037
- Pea Green #8EAB12 ΔE 0.045
- Dark Lime #84B701 ΔE 0.046
Use #9FB73B 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.