#B1E178
Closest named color: Pale Olive Green (#B1D27B). oklch(85.3% 0.143 129.2), rgb(177, 225, 120).
Aa
Black text reads best on this color (13.91:1).
About this color
#B1E178 is a light, vivid green. In OKLCH its lightness is 85%, its chroma 0.143 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Olive Green (#B1D27B), ΔE 0.042 away. Black text reads best on it, at 13.91:1.
| Hue family | Greens |
| Lightness | light (85%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Pale Olive Green (#B1D27B) |
| Black text | 13.91:1 |
| White text | 1.50:1 |
Values
| HEX | #B1E178 |
| RGB | rgb(177, 225, 120) |
| HSL | hsl(87, 64%, 68%) |
| OKLCH | oklch(85.3% 0.143 129.2) |
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 #B1E178 | 1.50:1 | Fails | Lc -26.9 | Dividers and decoration only |
| Black text on #B1E178 | 13.91:1 | AAA | Lc 80.0 | Fine for body text |
| #B1E178 text on white | 1.50:1 | Fails | Lc 23.7 | Dividers and decoration only |
| #B1E178 text on black | 13.91:1 | AAA | Lc -79.5 | Fine for body text |
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 200.
-
Step 50
50
#F0F9E8
oklch(97.1% 0.024 129.9)
-
Step 100
100
#DFF2CC
oklch(93.7% 0.054 129.1)
-
Step 200
200 (this color)
#B1E178
oklch(85.3% 0.143 129.2)
-
Step 300
300
#9AD744
oklch(81% 0.185 129.4)
-
Step 400
400
#7AB600
oklch(70.8% 0.189 129.4)
-
Step 500
500
#689C00
oklch(63.2% 0.168 129.4)
-
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)
#B1E178 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) | #EAD46F | 0.077 |
| Deuteranopia (no green cones) | #E3D17E | 0.077 |
| Tritanopia (no blue cones) | #B5D9C8 | 0.110 |
| Achromatopsia (no color) | #D2D2D2 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1E178
#B1E178
oklch(85.3% 0.143 129.2)
- #E1BEFF
#E1BEFF
oklch(85.3% 0.096 308.9)
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 #B1E178, closest first.
No curated palette has a color within ΔE 0.04 of #B1E178.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Olive Green #B1D27B ΔE 0.042
- Light Green #90EE90 ΔE 0.043
- Light Grey Green #B7E1A1 ΔE 0.050
- Greenish Beige #C9D179 ΔE 0.051
- Hospital Green #9BE5AA ΔE 0.056
- Greenish Tan #BCCB7A ΔE 0.061
- Pale Olive #B9CC81 ΔE 0.061
- Light Sage #BCECAC ΔE 0.063
Use #B1E178 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.