#91C648
Closest named color: Yellow Green (#9ACD32). oklch(76.4% 0.165 129.1), rgb(145, 198, 72).
Aa
Black text reads best on this color (10.37:1).
About this color
#91C648 is a medium-light, vivid green. In OKLCH its lightness is 76%, its chroma 0.165 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.029 away. Black text reads best on it, at 10.37:1.
| Hue family | Greens |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Yellow Green (#9ACD32) |
| Black text | 10.37:1 |
| White text | 2.02:1 |
Values
| HEX | #91C648 |
| RGB | rgb(145, 198, 72) |
| HSL | hsl(85, 53%, 53%) |
| OKLCH | oklch(76.4% 0.165 129.1) |
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 #91C648 | 2.02:1 | Fails | Lc -43.7 | Non-text elements, placeholder text |
| Black text on #91C648 | 10.37:1 | AAA | Lc 64.8 | Content text, not long reading |
| #91C648 text on white | 2.02:1 | Fails | Lc 39.2 | Non-text elements, placeholder text |
| #91C648 text on black | 10.37:1 | AAA | Lc -63.2 | 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 300.
-
Step 50
50
#F1F9E9
oklch(97.2% 0.023 128.7)
-
Step 100
100
#E0F1CF
oklch(93.7% 0.048 129.1)
-
Step 200
200
#C6E6A5
oklch(88.6% 0.092 129.4)
-
Step 300
300 (this color)
#91C648
oklch(76.4% 0.165 129.1)
-
Step 400
400
#7BB500
oklch(70.6% 0.187 129)
-
Step 500
500
#699C00
oklch(63.2% 0.168 129.1)
-
Step 600
600
#578300
oklch(55.6% 0.148 129.3)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900
#304B00
oklch(37.7% 0.1 129.3)
-
Step 950
950
#1B2D00
oklch(27.1% 0.072 129.3)
#91C648 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) | #CFB938 | 0.084 |
| Deuteranopia (no green cones) | #C8B552 | 0.087 |
| Tritanopia (no blue cones) | #95BEAC | 0.128 |
| Achromatopsia (no color) | #B6B6B6 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C648
#91C648
oklch(76.4% 0.165 129.1)
- #D093FF
#D093FF
oklch(76.3% 0.161 309.1)
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 #91C648, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Yellow Green #9ACD32 ΔE 0.029
- Pea #A4BF20 ΔE 0.029
- Bright Olive #9CBB04 ΔE 0.035
- Slime Green #99CC04 ΔE 0.037
- Apple #6ECB3C ΔE 0.041
- Light Olive Green #A4BE5C ΔE 0.041
- Apple Green #76CD26 ΔE 0.045
- Dark Lime Green #7EBD01 ΔE 0.047
Use #91C648 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.