#9FBD17
Closest named color: Bright Olive (#9CBB04). oklch(75% 0.174 120.7), rgb(159, 189, 23).
Aa
Black text reads best on this color (9.76:1).
About this color
#9FBD17 is a medium-light, vivid yellow. In OKLCH its lightness is 75%, its chroma 0.174 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bright Olive (#9CBB04), ΔE 0.008 away. Black text reads best on it, at 9.76:1.
| Hue family | Yellows |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Bright Olive (#9CBB04) |
| Black text | 9.76:1 |
| White text | 2.15:1 |
Values
| HEX | #9FBD17 |
| RGB | rgb(159, 189, 23) |
| HSL | hsl(71, 78%, 42%) |
| OKLCH | oklch(75% 0.174 120.7) |
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 #9FBD17 | 2.15:1 | Fails | Lc -46.7 | Large or bold text, headings |
| Black text on #9FBD17 | 9.76:1 | AAA | Lc 61.9 | Content text, not long reading |
| #9FBD17 text on white | 2.15:1 | Fails | Lc 42.0 | Non-text elements, placeholder text |
| #9FBD17 text on black | 9.76:1 | AAA | Lc -60.2 | 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 400.
-
Step 50
50
#F4F7EC
oklch(97.1% 0.015 119.1)
-
Step 100
100
#E6EDD6
oklch(93.5% 0.031 120.8)
-
Step 200
200
#D3E0B3
oklch(88.5% 0.061 120.8)
-
Step 300
300
#B6CB7A
oklch(80.8% 0.108 120.7)
-
Step 400
400 (this color)
#9FBD17
oklch(75% 0.174 120.7)
-
Step 500
500
#7D9600
oklch(63.1% 0.151 120.8)
-
Step 600
600
#697E00
oklch(55.6% 0.133 120.6)
-
Step 700
700
#586A00
oklch(49.2% 0.117 120.6)
-
Step 800
800
#475700
oklch(42.8% 0.103 121.1)
-
Step 900
900
#3B4800
oklch(37.7% 0.09 120.7)
-
Step 950
950
#222B00
oklch(27.1% 0.065 121.1)
#9FBD17 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) | #C9B100 | 0.064 |
| Deuteranopia (no green cones) | #C6B12D | 0.065 |
| Tritanopia (no blue cones) | #A9B2A1 | 0.149 |
| Achromatopsia (no color) | #B1B1B1 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9FBD17
#9FBD17
oklch(75% 0.174 120.7)
- #BE95FF
#BE95FF
oklch(74.9% 0.153 300.6)
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 #9FBD17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Olive #9CBB04 ΔE 0.008
- Pea #A4BF20 ΔE 0.010
- Mustard Green #A8B504 ΔE 0.022
- Dark Lime #84B701 ΔE 0.040
- Yellow Green #9ACD32 ΔE 0.041
- Dark Lime Green #7EBD01 ΔE 0.041
- Slime Green #99CC04 ΔE 0.042
- Avocado #90B134 ΔE 0.044
Use #9FBD17 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.