#B2BF42
Closest named color: Light Olive Green (#A4BE5C). oklch(77.1% 0.147 115), rgb(178, 191, 66).
Aa
Black text reads best on this color (10.42:1).
About this color
#B2BF42 is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.147 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive Green (#A4BE5C), ΔE 0.027 away. Black text reads best on it, at 10.42:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Light Olive Green (#A4BE5C) |
| Black text | 10.42:1 |
| White text | 2.01:1 |
Values
| HEX | #B2BF42 |
| RGB | rgb(178, 191, 66) |
| HSL | hsl(66, 49%, 50%) |
| OKLCH | oklch(77.1% 0.147 115) |
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 #B2BF42 | 2.01:1 | Fails | Lc -43.5 | Non-text elements, placeholder text |
| Black text on #B2BF42 | 10.42:1 | AAA | Lc 64.9 | Content text, not long reading |
| #B2BF42 text on white | 2.01:1 | Fails | Lc 39.0 | Non-text elements, placeholder text |
| #B2BF42 text on black | 10.42:1 | AAA | Lc -63.4 | 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
#F5F7E9
oklch(97.1% 0.019 113.3)
-
Step 100
100
#E8EECE
oklch(93.6% 0.043 115.9)
-
Step 200
200
#D7E0A2
oklch(88.5% 0.081 114.8)
-
Step 300
300 (this color)
#B2BF42
oklch(77.1% 0.147 115)
-
Step 400
400
#9EAB00
oklch(70.7% 0.16 115.1)
-
Step 500
500
#889300
oklch(63.3% 0.143 115)
-
Step 600
600
#727B00
oklch(55.6% 0.126 114.8)
-
Step 700
700
#5F6700
oklch(49% 0.111 115)
-
Step 800
800
#4E5500
oklch(42.8% 0.097 115.1)
-
Step 900
900
#414600
oklch(37.7% 0.085 114.3)
-
Step 950
950
#262A00
oklch(27.2% 0.062 115.2)
#B2BF42 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) | #CCB631 | 0.040 |
| Deuteranopia (no green cones) | #CBB84B | 0.042 |
| Tritanopia (no blue cones) | #BDB4A6 | 0.130 |
| Achromatopsia (no color) | #B7B7B7 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B2BF42
#B2BF42
oklch(77.1% 0.147 115)
- #BBA3FF
#BBA3FF
oklch(77.1% 0.131 295.2)
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 #B2BF42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive Green #A4BE5C ΔE 0.027
- Pea #A4BF20 ΔE 0.030
- Olive Yellow #C2B709 ΔE 0.030
- Light Olive #ACBF69 ΔE 0.035
- Mustard Green #A8B504 ΔE 0.038
- Tan Green #A9BE70 ΔE 0.044
- Bright Olive #9CBB04 ΔE 0.045
- Light Moss Green #A6C875 ΔE 0.046
Use #B2BF42 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.