#91BB34
Closest named color: Bright Olive (#9CBB04). oklch(73.6% 0.165 125.5), rgb(145, 187, 52).
Aa
Black text reads best on this color (9.36:1).
About this color
#91BB34 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.165 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bright Olive (#9CBB04), ΔE 0.019 away. Black text reads best on it, at 9.36:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Bright Olive (#9CBB04) |
| Black text | 9.36:1 |
| White text | 2.24:1 |
Values
| HEX | #91BB34 |
| RGB | rgb(145, 187, 52) |
| HSL | hsl(79, 56%, 47%) |
| OKLCH | oklch(73.6% 0.165 125.5) |
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 #91BB34 | 2.24:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #91BB34 | 9.36:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #91BB34 text on white | 2.24:1 | Fails | Lc 44.0 | Non-text elements, placeholder text |
| #91BB34 text on black | 9.36:1 | AAA | Lc -58.1 | 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
#F3F7ED
oklch(97% 0.014 124.6)
-
Step 100
100
#E5EED8
oklch(93.6% 0.031 125.2)
-
Step 200
200
#D0E0B8
oklch(88.4% 0.056 125.3)
-
Step 300
300
#B1CD82
oklch(81% 0.104 125.3)
-
Step 400
400 (this color)
#91BB34
oklch(73.6% 0.165 125.5)
-
Step 500
500
#729900
oklch(63.1% 0.16 125.6)
-
Step 600
600
#608100
oklch(55.7% 0.141 125.5)
-
Step 700
700
#506C00
oklch(49.1% 0.124 125.4)
-
Step 800
800
#415900
oklch(42.8% 0.109 125.6)
-
Step 900
900
#354A00
oklch(37.7% 0.096 125.9)
-
Step 950
950
#1E2C00
oklch(27% 0.069 126.1)
#91BB34 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) | #C5AF1B | 0.073 |
| Deuteranopia (no green cones) | #BFAC40 | 0.076 |
| Tritanopia (no blue cones) | #97B2A1 | 0.134 |
| Achromatopsia (no color) | #ADADAD | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BB34
#91BB34
oklch(73.6% 0.165 125.5)
- #C38CFC
#C38CFC
oklch(73.7% 0.165 305.4)
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 #91BB34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Olive #9CBB04 ΔE 0.019
- Avocado #90B134 ΔE 0.028
- Pea #A4BF20 ΔE 0.028
- Dark Lime #84B701 ΔE 0.028
- Mustard Green #A8B504 ΔE 0.031
- Dark Lime Green #7EBD01 ΔE 0.033
- Icky Green #8FAE22 ΔE 0.035
- Turtle Green #75B84F ΔE 0.037
Use #91BB34 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.