#B9BC41
Closest named color: Olive Yellow (#C2B709). oklch(77% 0.143 110.7), rgb(185, 188, 65).
Aa
Black text reads best on this color (10.33:1).
About this color
#B9BC41 is a medium-light, vivid yellow. In OKLCH its lightness is 77%, its chroma 0.143 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Yellow (#C2B709), ΔE 0.024 away. Black text reads best on it, at 10.33:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Olive Yellow (#C2B709) |
| Black text | 10.33:1 |
| White text | 2.03:1 |
Values
| HEX | #B9BC41 |
| RGB | rgb(185, 188, 65) |
| HSL | hsl(61, 49%, 50%) |
| OKLCH | oklch(77% 0.143 110.7) |
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 #B9BC41 | 2.03:1 | Fails | Lc -43.9 | Non-text elements, placeholder text |
| Black text on #B9BC41 | 10.33:1 | AAA | Lc 64.5 | Content text, not long reading |
| #B9BC41 text on white | 2.03:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #B9BC41 text on black | 10.33:1 | AAA | Lc -62.9 | 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
#F6F7E8
oklch(97.1% 0.02 109.9)
-
Step 100
100
#EBEDCE
oklch(93.6% 0.041 110.2)
-
Step 200
200
#DBDFA2
oklch(88.6% 0.079 111)
-
Step 300
300 (this color)
#B9BC41
oklch(77% 0.143 110.7)
-
Step 400
400
#A6A800
oklch(70.6% 0.155 110.6)
-
Step 500
500
#8E9000
oklch(63.1% 0.138 110.8)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
Step 700
700
#646600
oklch(49.2% 0.108 111.1)
-
Step 800
800
#525300
oklch(42.7% 0.094 110.6)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#B9BC41 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) | #CAB430 | 0.029 |
| Deuteranopia (no green cones) | #CBB849 | 0.030 |
| Tritanopia (no blue cones) | #C5B1A3 | 0.127 |
| Achromatopsia (no color) | #B6B6B6 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9BC41
#B9BC41
oklch(77% 0.143 110.7)
- #B4A5FF
#B4A5FF
oklch(76.9% 0.127 290.7)
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 #B9BC41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Yellow #C2B709 ΔE 0.024
- Light Olive Green #A4BE5C ΔE 0.031
- Light Olive #ACBF69 ΔE 0.035
- Mustard #CEB301 ΔE 0.036
- Mustard Yellow #D2BD0A ΔE 0.039
- Pea #A4BF20 ΔE 0.039
- Mustard Green #A8B504 ΔE 0.041
- Muddy Yellow #BFAC05 ΔE 0.041
Use #B9BC41 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.